- Abrams, G. A., 1986, Geophysical maps of the Dos Cabezas Mountains Wilderness Study Area, Cochise County, Arizona: Miscellaneous Field Studies Map 1873-A, 2 maps on 1 sheet ;49 x 51 cm., sheet 84 x 142 cm., folded in envelope 25 x 32 cm.,
- Ach, J. A., 1986, Geologic map of the Spring Creek Basin Quadrangle, Owyhee County, Idaho: Miscellaneous Field Studies Map 1889, 1 map ;58 x 43 cm., on sheet 75 x 71 cm., folded in envelope 25 x 32 cm.,
- Agard, S. S., 1986, Preliminary geologic map of the Peyote Point Quadrangle, Big Horn County, Montana: Miscellaneous Field Studies Map 1884, 1 map ;58 x 41 cm., on sheet 71 x 74 cm., folded in envelope 25 x 32 cm.,
- Agard, S. S., 1986, Preliminary geologic map of the Bear Hole Quadrangle, Big Horn County, Montana, and Big Horn and Sheridan counties, Wyoming: Miscellaneous Field Studies Map 1885, 1 map ;58 x 41 cm., on sheet 71 x 74 cm., folded in envelope 25 x 32 cm.,
- Agard, S. S., 1986, Preliminary geologic map of the Red Springs Quadrangle, Big Horn County, Montana, and Sheridan County, Wyoming: Miscellaneous Field Studies Map 1886, 1 map ;58 x 41 cm., on sheet 71 x 74 cm., folded in envelope 25 x 32 cm.,
- Alpha, T. R.; Myers, Bobbie, 1986, Physiographic diagrams of Mount St. Helens, Washington, showing changes in its summit crater, 1984: Miscellaneous Field Studies Map 1906, 4 diagrams on 1 sheet ;sheet 83 x 107 cm., folded in envelope 25 x 32 cm.,
- Bankey, Viki; Kleinkopf, M. D.; Hoover, Donald, 1986, Geophysical maps of the Mount Henry Roadless Area, Lincoln County, Montana: Miscellaneous Field Studies Map 1534-C, 2 maps on 1 sheet ;32 x 38 cm., sheet 92 x 79 cm., folded in envelope 25 x 32 cm.,
- Bergquist, J. R.; Griscom, Andrew; Page, S. S.; White, W. W.; Scott, D. F., 1986, Mineral resources and resource potential map of the East Yuba and West Yuba Roadless Areas, Plumas and Sierra counties, California: Miscellaneous Field Studies Map 1613-A, 1 map ;58 x 60 cm., on sheet 86 x 107 cm., folded in envelope 25 x 32 cm. +1 pamphlet (20 p. : maps ; 28 cm.),
- Billingsley, G. H.; Antweiler, J. C.; Beard, L. S.; Lucchitta, Ivo, 1986, Mineral resource potential map of the Pigeon Canyon, Nevershine Mesa, and Snap Point Wilderness Study Areas, Mohave County, Arizona: Miscellaneous Field Studies Map 1860-A, 1 map ;55 x 45 cm., on sheet 71 x 96 cm., folded in envelope 25 x 32 cm. +1 pamphlet (10 p. ; 28 cm.),
- Blakely, R. J., 1986, Maps showing aeromagnetic data and interpretation of the Medford 1 degree by 2 degrees Quadrangle, Oregon-California: Miscellaneous Field Studies Map 1383-B, 2 maps ;45 x 66 cm., on sheet 76 x 112 cm. and 71 x 102 cm., folded in envelope 25 x 32 cm.,
- Bothner, W. A.; Jahrling, C. E.; Kucks, R. P., 1986, Bouguer gravity and aeromagnetic maps of the wildernesses and roadless areas of the White Mountain National Forest, Coos, Carroll, and Grafton counties, New Hampshire: Miscellaneous Field Studies Map 1594-D, 2 maps on 1 sheet :col. ;64 x 63 cm., sheet 104 x 134 cm., folded in envelope 30 x 24 cm. +1 pamphlet (6 p. ; 28 cm.),
- Campbell, D. L.; Wallace, A. R., 1986, Aeromagnetic map of the Holy Cross Wilderness Area, Eagle, Lake, and Pitkin counties, Colorado: Miscellaneous Field Studies Map 1841-B, 2 maps ;40 x 30 cm., on sheet 81 x 96 cm., folded in envelope 25 x 32 cm.,
- Carlson, C. A.; Page, N. J.; Carlson, R. R., 1986, Maps showing the distribution of the platinum-group elements and gold in rocks from the western half of the Medford and part of the adjacent Coos Bay 1 degree by 2 degrees quadrangles, southwestern Oregon: Miscellaneous Field Studies Map 1832, 8 maps on 2 sheets ;45 x 40 cm., sheets 124 x 101 cm. and 139 x 101 cm., folded in envelope 25 x 32 cm.,
- Case, J. E.; Burns, L. E.; Winkler, G. R., 1986, Maps showing aeromagnetic survey and geologic interpretation of the Valdez Quadrangle, Alaska: Miscellaneous Field Studies Map 1714, 2 maps ;45 x 65 cm., on sheets 114 x 71 cm. and 93 x 124 cm., folded in envelope 25 x 32 cm.,
- Case, J. E.; Fisher, M. A.; Moore, G. W.; Nelson, S. W., 1986, Preliminary geologic interpretation of the aeromagnetic map of Afognak and Shuyak Islands, Alaska: Miscellaneous Field Studies Map 1718, 2 maps on 1 sheet ;34 x 47 cm., sheet 94 x 81 cm., folded in envelope 25 x 32 cm.,
- Case, J. E.; Nelson, W. H., 1986, Maps showing aeromagnetic survey and geologic interpretation of the Lake Clark Quadrangle, Alaska: Miscellaneous Field Studies Map 1114-E, 2 maps ;44 x 67 cm., on sheets 61 x 71 cm. and 93 x 126 cm., folded in envelope 25 x32 cm.,
- Cashion, W. B., 1986, Geologic map of the Bonanza Quadrangle, Uintah County, Utah: Miscellaneous Field Studies Map 1865, 1 map ;58 x 45 cm., on sheet 81 x 71 cm., folded in envelope 25 x 32 cm.,
- Cathcart, J. B.; Cameron, C. C.; Patterson, S. H., 1986, Mineral resource assessment map of the Big Gum Swamp Roadless Area, Columbia and Baker counties, Florida: Miscellaneous Field Studies Map 1572-C, 1 map ;49 x 49 cm., on sheet 103 x 107 cm., folded in envelope 25 x 32 cm.,
- Chaffee, M. A., 1986, Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, east part of the Raymond Peak Roadless Area, Alpine County, California: Miscellaneous Field Studies Map 1365-D, 2 maps on 1 sheet ;45 x 38 cm., sheet 102 x 102 cm., folded in envelope 25 x 32 cm.,
- Chaffee, M. A., 1986, Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrates, Carson-Iceberg and Leavitt Lake Roadless Areas, Alpine, Mono, and Tuolumne counties, California: Miscellaneous Field Studies Map 1416-C, 2 maps ;74 x 82 cm., on sheets 87 x 141 cm. and 92 x 108 cm., folded in envelope 25 x 32 cm.,
- Chaffee, M. A., 1986, Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Pyramid Roadless Area, El Dorado County, California: Miscellaneous Field Studies Map 1616-B, 2 maps on 1 sheet ;45 x 54 cm., sheet 96 x 135 cm., folded in envelope 25 x 32 cm.,
- Chaffee, M. A.; Fey, D. L.; Hill, R. H.; Sutley, S. J., 1986, Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Cypress Roadless Area, Kern County, California: Miscellaneous Field Studies Map 1532-B, 2 maps on 1 sheet ;41 x 44 cm., sheet 101 x 91 cm., folded in envelope 25 x 32 cm.,
- Chaffee, Maurice A., 1986, Summary geochemical maps for rock, stream sediment, and nonmagnetic heavy-mineral concentrates, Horse Meadow, Log Cabin-Saddlebag, and Tioga Lake Roadless Areas and Hall Natural Area, Mono County, California: Miscellaneous Field Studies Map 1453-C, 2 maps on 1 sheet ;43 x 41 cm., on sheet 83 x 136 cm., folded in envelope 25 x 32 cm.,
- Chaffee, Maurice A., 1986, Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Sweetwater Roadless Area, Mono County, California and Lyon and Douglas Counties, Nevada: Miscellaneous Field Studies Map 1535-C, 3 maps on 2 sheets ;65 x 52 cm., sheets 89 x 135 cm. and 88 x 129 cm., folded in envelope 25 x 32 cm.,
- Chatman, M. L.; Behum, P. T., 1986, Maps showing mines and prospects in the Southern Massanutten Roadless Area, Page and Rockingham counties, Virginia: Miscellaneous Field Studies Map 1527-C, 6 maps on 1 sheet ;58 x 23 cm. and smaller, sheet 76 x 102 cm., folded in envelope 25 x 32 cm.,
- compiled by Mugel, D. N., 1986, Map showing availability of data for selected deep drill holes in the northern Midcontinent, U.S.A.: Miscellaneous Field Studies Map 1835-A, 1 map ;111 x 107 cm., on sheet 147 x 112 cm., folded in envelope 25 x 32 cm.,
- Connor, J. J.; Evans, K. V., 1986, Geologic map of the Leesburg Quadrangle, Lemhi County, Idaho: Miscellaneous Field Studies Map 1880, 1 map ;45 x 32 cm., on sheet 69 x 84 cm., folded in envelope 25 x 32 cm.,
- Cox, B. F.; Diggles, M. F., 1986, Geologic map of the El Paso Mountains Wilderness Study Area, Kern County, California: Miscellaneous Field Studies Map 1827, 1 map ;60 x 51 cm., on sheet 96 x 96 cm., folded in envelope 25 x 32 cm. +1 pamphlet (13 p. ; 28 cm.),
- Cressman, Earle Rupert; Harrison, Jack Edward, 1986, Geologic map of parts of the Yaak River area, Lincoln County, northwest Montana: Miscellaneous Field Studies Map 1881, 1 map ;116 x 39 cm., on sheet 130 x 86 cm., folded in envelope 25 x 32 cm.,
- Crone, A. J.; Harding, S. T.; Russ, D. P.; Shedlock, K. M., 1986, Seismic-reflection profiles of the New Madrid seismic zone-data along the Mississippi River near Caruthersville, Missouri: Miscellaneous Field Studies Map 1863, 4 profiles ;sheets 106 x 105 cm. and 145 x 102 cm., folded in envelope 25 x 32 cm.,
- D'Agostino, J. P.; Rowe, W. D., 1986, Mineral occurrences of the Charlotte 1 degree by 2 degrees Quadrangle, North Carolina and South Carolina: Miscellaneous Field Studies Map 1793, 4 maps on 2 sheets ;44 x 73 cm., sheets 105 x 122 cm., folded in envelope 25 x 32 cm.,
- D'Agostino, J. P.; Whitlow, J. W.; Siems, D. F., 1986, Geologic and geochemical maps of the Linville Gorge Wilderness and proposed extensions, Burke and McDowell counties, North Carolina: Miscellaneous Field Studies Map 1610-A, 2 maps ;40 x 16 cm., on sheet 89 x 114 cm., folded in envelope 25 x 32 cm.,
- Diggles, M. F.; Clemens, D. E., 1986, Geologic map of the Owens Peak Wilderness Study Area, Tulare and Kern counties, California: Miscellaneous Field Studies Map 1833, 1 map ;48 x 24 cm., on sheet 64 x 71 cm., folded in envelope 25 x 32 cm.,
- Diggles, M. F.; Kennedy, G. L., 1986, Geologic and geochemical-anomaly map of the Tunnel Ridge Wilderness Study Area, Klamath Mountains, California: Miscellaneous Field Studies Map 1810-B, 1 map ;77 x 44 cm., on sheet 107 x 79 cm., folded in envelope 25 x 32 cm.,
- Donnell, J. R.; Yeend, W. E.; Smith, M. C., 1986, Preliminary geologic map of the Grand Valley Quadrangle, Garfield County, Colorado: Miscellaneous Field Studies Map 1883, 1 map ;58 x 45 cm., on sheet 87 x 92 cm., folded in envelope 25 x 32 cm.,
- Evans, J. G., 1986, Geochemical map of the North Fork John Day River Roadless Area, Grant County, Oregon: Miscellaneous Field Studies Map 1581-B, Sheet 27 inches x 37 inches,
- Evans, J. G., 1986, Geologic map of the North Fork John Day River Roadless Area, Grant County, Oregon: Miscellaneous Field Studies Map 1581-C, 1 map ;38 x 56 cm., on sheet 76 x 101 cm., folded in envelope 25 x 32 cm.,
- Evans, J. G., 1986, Geologic map of the Homestead, Lake Fork, and Lick Creek Roadless Areas, Baker and Wallowa counties, Oregon: Miscellaneous Field Studies Map 1612-A, 1 map ;53 x 46 cm., on sheet 86 x 81 cm., folded in envelope 25 x 32 cm.,
- Evans, J. G., 1986, Geochemical map of the Homestead, Lake Fork, and Lic Creek Roadless Areas, Baker and Wallowa counties, Oregon: Miscellaneous Field Studies Map 1612-B, 1 map ;53 x 46 cm., on sheet 81 x 67 cm., folded in envelope 25 x 32 cm.,
- Flanigan, V. J.; Long, C. L.; Rohret, Donald; Mohr, Pamela, 1986, Aeromagnetic map of the rift systems of Kilauea and Mauna Loa volcanoes, Island of Hawaii, Hawaii: Miscellaneous Field Studies Map 1845-A, 1 map ;88 x 110 cm., on sheet 92 x 138 cm., folded in envelope 25 x 32 cm.,
- Flanigan, V. J.; Long, C. L.; Rohret, Donald; Mohr, Pamela, 1986, Apparent-resistivity map of the rift systems of Kilauea and Mauna Loa volcanoes, Island of Hawaii, Hawaii: Miscellaneous Field Studies Map 1845-B, 1 map ;88 x 110 cm., on sheet 96 x 117 cm., folded in envelope 25 x 32 cm.,
- Force, E. R.; Siems, D. F., 1986, Geochemical survey of the Little Frog Roadless Area, Polk County, Tennessee: Miscellaneous Field Studies Map 1338-B, 2 maps on 1 sheet ;44 x 41 cm., sheet 104 x 122 cm., folded in envelope 25 x 32 cm.,
- Fraser, G. D.; Ketner, K. B.; Smith, M. C., 1986, Geologic map of the Spruce Mountain 4 Quadrangle, Elko County, Nevada: Miscellaneous Field Studies Map 1846, 1 map ;115 x 88 cm., on sheet 130 x 99 cm., folded in envelope 25 x 32 cm.,
- Frizzell, V. A.; Vedder, J. G., 1986, Geologic map of roadless areas and the Santa Lucia Wilderness in the Los Padres National Forest, southwestern California: Miscellaneous Field Studies Map 1655-A, 1 map ;56 x 83 cm., on sheet 86 x 137 cm., folded in envelope 25 x 32 cm.,
- Haller, K. M.; Crone, A. J., 1986, Log of an exploratory trench in the New Madrid seismic zone near Blytheville, Arkansas: Miscellaneous Field Studies Map 1858, 6 cross sections on 1 sheet ;102 x 136 cm., folded in envelope 25 x 32 cm.,
- Hammack, R. W., 1986, Maps showing mines, prospects, and exposures in the Beaver Creek Wilderness, McCreary County, Kentucky: Miscellaneous Field Studies Map 1348-C, 4 maps on 1 sheet ;26 x 23 cm.,on sheet 67 x 84 cm., folded in envelope 25 x 32 cm.,
- Hardie, J. K.; Van Gosen, B. S., 1986, Stratigraphic framework of coal beds underlying the northeastern part of the Fort Peck Indian Reservation, Montana: Miscellaneous Field Studies Map 1775, 3 diagrams on 1 sheet ;105 x 81 cm., folded in envelope 25 x 32 cm.,
- Higley, D. K.; Gautier, D. L., 1986, Median-permeability contour maps of the J sandstone, Dakota Group, in the Denver Basin, Colorado, Nebraska, and Wyoming: Miscellaneous Field Studies Map 1837, 2 maps on 1 sheet ;54 x 44 cm. and 27 x 23 cm., on sheet 91 x 91 cm., folded in envelope 25 x 32 cm.,
- Hintze, L. F., 1986, Geologic map of the Mormon Gap and Tweedy Wash quadrangles, Millard County, Utah, and Lincoln and White Pine counties, Nevada: Miscellaneous Field Studies Map 1872, 1 map ;58 x 91 cm., on sheet 91 x 130 cm., folded in envelope 25 x 32 cm.,
- Hutchinson, D. R.; Leeds, W. D.; Grow, J. A.; Bell, Robin, 1986, Free-air gravity anomaly map of the Long Island Platform: Miscellaneous Field Studies Map 1807, 1 map ;68 x 104 cm., on sheet 83 x 126 cm., folded in envelope 25 x 32 cm.,
- Johnson, R. C., 1986, Structure contour map of the top of the Castlegate Sandstone, eastern part of the Uinta Basin and the western part of the Piceance Creek basin, Utah and Colorado: Miscellaneous Field Studies Map 1826, 1 map and 1 section ;77 x 107 cm., on sheet 103 x 141 cm. and 84 x 107 cm., folded in envelope 25 x 32 cm.,
- Jones, J. G., 1986, Maps showing mines, prospects, and mineral localities in and near the Dolly Ann Roadless Area, Alleghany County, Virginia: Miscellaneous Field Studies Map 1358-C, 6 maps on 1 sheet ;18 x 23 cm. and smaller, sheet 81 x 104 cm., folded in envelope 25 x 32 cm.,
- Jorgensen, D. G.; Helgesen, J. O.; Leonard, R. B.; Signor, D. C., 1986, Equivalent freshwater head and dissolved-solids concentration of water in rocks of Cambrian, Ordovician, and Mississippian age in the northern Midcontinent, U.S.A.: Miscellaneous Field Studies Map 1835-B, 2 maps :col. ;112 x 104 cm., on sheet 142 x 109 cm., folded in envelope 30 x 24 cm.,
- Kanizay, S. P., 1986, Preliminary geologic map of the Lodge Grass area, Northwestern Powder River Basin, Montana and Wyoming: Miscellaneous Field Studies Map 1822, 1 map ;110 x 78 cm., on sheet 123 x 105 cm., folded in envelope 25 x 32 cm.,
- Kanizay, S. P., 1986, Preliminary geologic map of the Crow Agency area, Northwestern Powder River basin, Montana: Miscellaneous Field Studies Map 1861, 1 map ;111 x 78 cm., on sheet 144 x 103 cm., folded in envelope 25 x 32 cm.,
- Kaufman, D. S., 1986, Surficial geologic map of the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska: Miscellaneous Field Studies Map 1838-A, 1 map ;87 x 59 cm., on sheet 104 x 91 cm., folin envelope 25 x 32 cm.,
- Kellogg, K. S.; Embree, G. F., 1986, Geologic map of the Stevens Peak and Buckskin Basin area, Bingham and Bannock counties, Idaho: Miscellaneous Field Studies Map 1854, 1 map ;82 x 53 cm., on sheet 112 x 76 cm., folded in envelope 25 x 32 cm.,
- Klasner, J. S.; Day, G. W., 1986, Geologic, geochemical, and mineral resource assessment maps of the Garden of the Gods Roadless Area, Gallatin, Hardin, Pope, and Saline counties, Illinois: Miscellaneous Field Studies Map 1801, 5 maps ;23 x 28 cm., on sheet 106 x 124 cm., folded in envelope 25 x 32 cm.,
- Kulik, D. M., 1986, Complete Bouguer gravity and aeromagnetic maps of the Rattlesnake Roadless Area, Missoula County, Montana: Miscellaneous Field Studies Map 1235-B, 2 maps ;56 x 38 cm., on sheet 86 x 130 cm., folded in envelope 25 x 32 cm.,
- Lane, C. M.; Manheim, F. T.; Hathaway, J. C.; Ling, T. H., 1986, Station maps of the world ocean-ferromanganese-crust data base: Miscellaneous Field Studies Map 1869, 2 maps ;74 x 133 cm. and 115 x 89 cm., sheets 87 x 141 cm. and 131 x 97 cm., folded in envelope 25 x 32 cm. +1 pamphlet (4 p. ; 28 cm.),
- Lawrence, V. A.; Richter, D. H., 1986, Geologic map of the Indian Peaks West Quadrangle, Catron County, New Mexico: Miscellaneous Field Studies Map 1849, 1 map ;58 x 49 cm., on sheet 73 x 102 cm., folded in envelope 25 x 32 cm.,
- Lee, Keenan, 1986, Map showing areas of limonitic hydrothermal alteration in the Lake City Caldera area, western San Juan Mountains, Colorado: Miscellaneous Field Studies Map 1868, 1 map ;48 x 69 cm., on sheet 81 x 104 cm., folded in envelope 25 x 32 cm.,
- Lesure, F. G., 1986, Geologic map of the Snowbird Roadless Area, Graham County, North Carolina: Miscellaneous Field Studies Map 1587-A, 2 maps on 1 sheet ;22 x 25 cm. and 15 x 19 cm., sheet 58 x 68 cm., folded in envelope 25 x 32 cm.,
- Lesure, F. G., 1986, Geochemical survey of the Snowbird Roadless Area, Graham County, North Carolina: Miscellaneous Field Studies Map 1587-B, 8 maps on 1 sheet ;22 x 25 cm., sheet 92 x 136 cm., folded in envelope 25 x 32 cm.,
- Lesure, F. G., 1986, Geochemical survey of the Rich Hole Roadless Area, Alleghany and Rockbridge counties, Virginia: Miscellaneous Field Studies Map 1760-B, 3 maps on 1 sheet ;28 x 21 cm., sheet 92 x 109 cm., folded in envelope 25 x 32 cm.,
- Lesure, F. G.; Nicholson, S. W., 1986, Maps showing geology, geochemistry, and mineral resources assessment of the Rough Mountain Roadless Area, Alleghany and Bath counties, Virginia: Miscellaneous Field Studies Map 1811, 3 maps ;24 x 19 cm., on sheet 95 x 99 cm., folded in envelope 25 x 32 cm.,
- Light, T. D., 1986, Mine and prospect map of the Manzano Wilderness, Torrance and Valencia counties, New Mexico: Miscellaneous Field Studies Map 1464-D, 1 map ;71 x 36 cm., on sheet 86 x 112 cm., folded in envelope 25 x 32 cm.,
- Lindsey, D. A.; Johnson, B. R.; Soulliere, S. J.; Bruce, R. M.; Hafner, Katrin, 1986, Geologic map of the Beck Mountain, Crestone Peak, and Crestone quadrangles, Custer, Huerfano, and Saguache counties, Colorado: Miscellaneous Field Studies Map 1878, 1 map ;58 x 137 cm., on sheet 104 x 143 cm., folded in envelope 25 x 32 cm.,
- Lucchitta, Ivo; Beard, L. S.; Rieck, H. J., 1986, Geologic map of the Pigeon Canyon, Nevershine Mesa, and Snap Point Wilderness Study Areas, Mohave County, Arizona: Miscellaneous Field Studies Map 1860-B, 1 map ;56 x 45 cm., on sheet 71 x 107 cm., folded in envelope 25 x 32 cm.,
- Luft, S. J., 1986, Photogeologic and reconnaissance geologic map of the Horse Creek Quadrangle, Custer County, Montana: Miscellaneous Field Studies Map 1871, 1 map ;58 x 40 cm., on sheet 86 x 61 cm., folded in envelope 25 x 32 cm.,
- Luft, S. J., 1986, Photogeologic and reconnaissance geologic map of the Pennock Creek Quadrangle, Custer County, Montana: Miscellaneous Field Studies Map 1893, 1 map ;58 x 41 cm., on sheet 71 x 76 cm., folded in envelope 25 x 32 cm.,
- Luft, S. J., 1986, Photogeologic and reconnaissance geologic map of the Tepee Butte Quadrangle, Custer County, Montana: Miscellaneous Field Studies Map 1895, 1 map ;58 x 41 cm., on sheet 71 x 76 cm., folded in envelope 25 x 32 cm.,
- Luft, S. J.; Heffern, E. L., 1986, Photogeologic and reconnaissance geologic map of the First Creek Quadrangle, Custer County, Montana: Miscellaneous Field Studies Map 1870, 1 map ;58 x 40 cm., on sheet 91 x 61 cm., folded in envelope 25 x 32 cm.,
- Luft, S. J.; Meier, D. H., 1986, Photogeologic and reconnaissance geologic map of the Bear Jaw Creek Quadrangle, Custer County, Montana: Miscellaneous Field Studies Map 1894, 1 map ;58 x 41 cm., on sheet 71 x 76 cm., folded in envelope 25 x 32 cm.,
- Mabey, Don R., 1986, Gravity and magnetic anomaly maps of the Tenmile West Roadless Area, Boise and Elmore Counties, Idaho: Miscellaneous Field Studies Map 1500-D, 2 maps on 1 sheet ;52 x 49 cm., sheet 79 x 109 cm., folded in envelope 25 x 32 cm.,
- Machette, M. N.; Personius; S. F.; Menges, C. M.; Pearthreee, P. A., 1986, Map showing Quaternary and Pliocene faults in the Silver City 1 degree by 2 degrees Quadrangle and the Douglas 1 degree by 2 degrees Quadrangle, southeastern Arizona and southwestern New Mexico: Miscellaneous Field Studies Map 1465-C, 1 map ;74 x 75 cm., on sheet 114 x 96 cm., folded in envelope 25 x 32 cm. +1 pamphlet (20 p. ; 28 cm.),
- Martin, R. A., 1986, Aeromagnetic map of the Wet Beaver Roadless Area, Yavapai and Coconino counties, Arizona: Miscellaneous Field Studies Map 1558-C, 1 map ;32 x 73 cm., on sheet 70 x 92 cm., folded in envelope 25 x 32 cm.,
- Martin, R. A., 1986, Aeromagnetic map of the Rattlesnake Roadless Area, Coconino and Yavapai counties, Arizona: Miscellaneous Field Studies Map 1567-C, 1 map ;96 x 64 cm., on sheet 103 x 112 cm., folded in envelope 25 x 32 cm.,
- Martin, R. A., 1986, Geophysical maps of the Winchester Roadless Area, Cochise County, Arizona: Miscellaneous Field Studies Map 1851, 2 maps on 1 sheet ;60 x 54 cm., sheet 96 x 142 cm., folded in envelope 25 x 32 cm.,
- McKee, E. H., 1986, Geologic map of the Roberts Wilderness Study Area, Eureka County, Nevada: Miscellaneous Field Studies Map 1844, 1 map ;29 x 21 cm., on sheet 58 x 89 cm., folded in envelope 25 x 32 cm.,
- Molenaar, C. M.; Bird, K. J.; Collett, T. S., 1986, Regional correlation sections across the north slope of Alaska: Miscellaneous Field Studies Map 1907, 4 sections on 1 sheet ;sheet 101 x 122 cm., folded in envelope 25 x 32 cm.,
- Moring, B. C., 1986, Reconnaissance surficial geologic map of northern Death Valley, California and Nevada: Miscellaneous Field Studies Map 1770, 1 map ;59 x 71 cm., on sheet 79 x 91 cm., folded in envelope 25 x 32 cm.,
- Nelson, A. E.; Koeppen, R. P., 1986, Geologic map of the Overflow Roadless Area, Rabun County, Georgia, and Macon County, North Carolina: Miscellaneous Field Studies Map 1618-B, 1 map ;27 x 28 cm., sheet 64 x 79 cm., folded in envelope 25 x 32 cm.,
- Nuccio, V. F.; Johnson, R. C., 1986, Thermal maturity map of the lower part of the Upper Cretaceous Mesaverde Group, Uintah Basin, Utah: Miscellaneous Field Studies Map 1842, 1 map ;68 x 77 cm., on sheet 104 x 127 cm., folded in envelope 25 x 32 cm.,
- O'Sullivan, R. B., 1986, Preliminary geologic map of the Anvil Points Quadrangle, Garfield County, Colorado: Miscellaneous Field Studies Map 1882, 1 map ;58 x 45 cm., on sheet 71 x 80 cm., folded in envelope 25 x 32 cm.,
- O'Sullivan, R. B.; Mytton, J. W.; Strobell, J. D.; Scott, G. R.; Erpenbeck, M. F., 1986, Preliminary geologic map of the Tanner Lake Quadrangle, San Juan County, New Mexico: Miscellaneous Field Studies Map 1864, 3 maps on 2 sheets ;58 x 47 cm. and smaller, sheets 71 x 122 cm. and 76 x 95 cm., folded in envelope 25 x 32 cm.,
- Page, S. S.; Bergquist, J. R., 1986, Geochemical anomaly map of the East Yuba and West Yuba Roadless Areas, Plumas and Sierra counties, California: Miscellaneous Field Studies Map 1613-B, 1 map ;58 x 60 cm., on sheet 76 x 96 cm., folded in envelope 25 x 32 cm.,
- Pantea, M. P.; Scott, R. W., 1986, Preliminary geologic map of the Flat Rock Mesa Quadrangle, Uintah County, Utah: Miscellaneous Field Studies Map 1866, 1 map ;58 x 45 cm., on sheet 84 x 75 cm., folded in envelope 25 x 32 cm.,
- Pawlewicz, M. J.; Lickus, M. R.; Law, B. E.; Dickinson, W. S.; Barclay, C. S., 1986, Thermal maturity map showing subsurface elevation of 0.8 percent vitrinite reflectance in the Greater Green River basin of Wyoming, Colorado, and Utah: Miscellaneous Field Studies Map 1890, 1 map ;70 x 67 cm., on sheet 107 x 84 cm., folded in envelope 25 x 32 cm.,
- Peterson, J. A.; Tosdal, R. M., 1986, Mineral occurrence map and tabulation of geologic, commodity, and production data, Ajo and Lukeville 1 degree by 2 degrees quadrangles, southwestern Arizona: Miscellaneous Field Studies Map 1834-A, 1 map ;61 x 75 cm., on sheet 74 x 132 cm., folded in envelope 25 x 32 cm.,
- Peterson, J. A.; Wong, George, 1986, Geologic map of the North Fork of the Little Humboldt River Wilderness Study Area, Humboldt County, Nevada: Miscellaneous Field Studies Map 1815, 1 map ;83 x 58 cm., on sheet 97 x 76 cm., folded in envelope 25 x 32 cm.,
- Pomeroy, J. S., 1986, Map showing slope movements in the Oak Forest Quadrangle, Greene County, southwestern Pennsylvania: Miscellaneous Field Studies Map 1794, 1 map ;58 x 45 cm., on sheet 104 x 119 cm., folded in envelope 25 x 32 cm.,
- Prose, D. V., 1986, Map showing areas of visible land disturbances caused by two military training operations in the Mojave Desert, California: Miscellaneous Field Studies Map 1855, 1 map ;92 x 53 cm., on sheet 112 x 76 cm., folded in envelope 25 x 32 cm.,
- Ramp, Len; Moring, B. C., 1986, Reconnaissance geologic map of the Marial Quadrangle, southwestern Oregon: Miscellaneous Field Studies Map 1735, 1 map ;45 x 33 cm., on sheet 56 x 66 cm., folded in envelope 25 x 32 cm.,
- Richter, D. H.; Eggleston, T. L.; Duffield, W. A., 1986, Geologic map of the Wall Lake Quadrangle, Catron County, New Mexico: Miscellaneous Field Studies Map 1909, 1 map ;58 x 48 cm., on sheet 81 x 107 cm., folded in envelope 25 x 32 cm.,
- Richter, D. H.; Lawrence, V. A.; Duffield, W. A., 1986, Geologic map of the Indian Peaks East Quadrangle, Catron County, New Mexico: Miscellaneous Field Studies Map 1850, 1 map ;58 x 49 cm., on sheet 72 x 105 cm., folded in envelope 25 x 32 cm.,
- Ridgley, J. L., 1986, Geochemical map of the Chama River Canyon Wilderness and contiguous roadless area, Rio Arriba County, New Mexico: Miscellaneous Field Studies Map 1523-D, 15 maps on two sheets ;96 x 78 cm. and 18 x 14 cm., sheets 104 x 147 cm. and 138 x 80 cm., folded in envelope 25 x 32 cm.,
- Robertson, J. M.; Fulp, M. S.; Daggett, M. D., 1986, Metallogenic map of volcanogenic massive-sulfide occurences in New Mexico: Miscellaneous Field Studies Map 1853-A, 1 map ;65 x 59 cm., on sheet 78 x 121 cm., folded in envelope 25 x 32 cm.,
- Robinson, A. C.; Kistler, R. W., 1986, Maps showing isotopic dating in the Walker Lake 1 degree by 2 degrees Quadrangle, California and Nevada: Miscellaneous Field Studies Map 1382-N, 2 maps and 1 data sheet ;44 x 70 cm., sheets 66 x 112 cm. and smaller, folded in envelope 25 x 32 cm. +1 pamphlet (49 p. : tables ; 28 cm.),
- Robinson, L. N.; Van Gosen, B. S., 1986, Maps showing the coal geology of the Sarpy Creek area, Big Horn and Treasure counties, Montana: Miscellaneous Field Studies Map 1859, 5 maps on 1 sheet ;108 x 95 cm. and smaller, sheet 148 x 102 cm., folded in envelope 25 x 32 cm.,
- Roehler, H. W., 1986, Electric log correlations of the upper Cretaceous rocks in the Mesaverde Group, Baxter Shale, and equivalent units across the Great Divide Basin in southwest Wyoming: Miscellaneous Field Studies Map 1828, 10 columnar sections on 1 sheet ;sheet 61 x 91 cm., folded in envelope 25 x 32 cm.,
- Ross, R. B.; Crandall, T. M., 1986, Maps showing uranium prospects and mineralization in the Lost Cove and Harper Creek Roadless Areas, Avery and Caldwell counties, North Carolina: Miscellaneous Field Studies Map 1391-C, 5 maps ;32 x 24 cm. and smaller, on sheet 102 x 102 cm., folded in envelope 25 x 32 cm.,
- Sandberg, D. T., 1986, Isopach map of interval between top of the Pictured Cliffs Sandstone and the Huerfanito Bentonite bed of the Lewis Shale, La Plata County, Colorado, and Rio Arriba and San Juan counties, New Mexico: Miscellaneous Field Studies Map 1831, 1 map and 1 data sheet ;83 x 93 cm., on sheet 100 x 104 cm. and 136 x 95 cm., folded in envelope 25 x 32 cm.,
- Sandberg, D. T., 1986, Correlation of coal beds in the Fruitland Formation as interpreted from geophysical logs, east-central San Juan County, New Mexico: Miscellaneous Field Studies Map 1848, 3 maps on 1 sheet and 1 data sheet ;25 x 45 cm., sheets 88 x 148 cm. and 97 x 131 cm., folded in envelope 25 x 32 cm.,
- Schmauch, S. W., 1986, Map showing mines and prospects of the White Mountains Roadless Area, Inyo and Mono Counties, California, and Esmeralda and Mineral counties, Nevada: Miscellaneous Field Studies Map 1361-F, 1 map ;102 x 68 cm., on sheet 127 x 101 cm., folded in envelope 25 x 32 cm. +1 pamphlet (27 p. ; 28 cm.),
- Schmidt, R. G.; Koslow, M. H., 1986, Preliminary map showing the occurrence of siliceous rocks in central North Carolina derived from enhanced principal component Landsat images: Miscellaneous Field Studies Map 1817, 2 maps ;44 x 46 cm. and 44 x 41 cm., on sheet 106 x 88 cm., folded in envelope 25 x 32 cm.,
- Scott, R. W.; Pantea, M. P., 1986, Preliminary geologic map of the Wolf Point Quadrangle, Uintah County, Utah: Miscellaneous Field Studies Map 1839, 1 map ;58 x 45 cm., on sheet 70 x 101 cm., folded in envelope 25 x 32 cm.,
- Simpson, R. W.; Gage, T. B.; Bracken, R. E., 1986, Aeromagnetic and isostatic gravity maps of the Crossman Peak Wilderness Study Area, Mohave County, Arizona: Miscellaneous Field Studies Map 1602-B, 3 maps ;86 x 72 cm., on sheets 110 x 81 cm., folded in envelope 25 x 32 cm. +1 pamphlet (18 p. : ill. ; 28 cm.),
- Soller, D. R., 1986, Preliminary map showing the thickness of glacial deposits in Ohio: Miscellaneous Field Studies Map 1862, 1 map ;83 x 76 cm., on sheet 96 x 110 cm., folded in envelope 25 x 32 cm.,
- Sorensen, M. L., 1986, Geologic map of the South Jackson Mountains Wilderness Study Area, Humboldt County, Nevada: Miscellaneous Field Studies Map 1829, 1 map ;39 x 42 cm., on sheet 56 x 82 cm., folded in envelope 25 x 32 cm.,
- Southworth, C. S., 1986, Side-looking airborne radar image map showing cross-strike structural discontinuities and lineaments of the central Appalachians: Miscellaneous Field Studies Map 1891, 1 remote sensing image ;88 x 106 cm., on sheet 101 x 112 cm., folded in envelope 25 x 32 cm. +1 pamphlet (14 p. : maps ; 28 cm.),
- Stover, C. W.; Reagor, B. G.; Algermissen, S. T., 1986, Seismicity map of the state of Arizona: Miscellaneous Field Studies Map 1852, 1 map ;65 x 57 cm., on sheet 95 x 124 cm., folded in envelope 25 x 32 cm.,
- Stover, C. W.; Reagor, B. G.; Algermissen, S. T., 1986, Seismicity map of the state of Utah: Miscellaneous Field Studies Map 1856, 1 map ;59 x 46 cm., on sheet 98 x 146 cm., folded in envelope 25 x 32 cm.,
- Stover, C. W.; Reagor, B. G.; Algermissen, S. T., 1986, Seismicity map of the state of Idaho: Miscellaneous Field Studies Map 1857, 1 map ;82 x 52 cm., on sheet 105 x 143 cm., folded in envelope 25 x 32 cm.,
- Swadley, W. C.; Huckins, H. E.; Taylor, E. M., 1986, Logs of trenches across the Beatty Scarp, Nye County, Nevada: Miscellaneous Field Studies Map 1897, 4 sections on 1 sheet ;sheet 104 x 101 cm., folded in envelope 25 x 32 cm.,
- Taylor, Fred; Brabb, E. E., 1986, Map showing landslides in California that have caused fatalities or at least $1,000,000 in damages from 1906 to 1984: Miscellaneous Field Studies Map 1867, 1 map ;on sheet 127 x 101 cm., folded in envelope 25 x 32 cm.,
- Tosdal, R. M.; Peterson, D. W.; May, D. J.; LeVeque, R. A.; Miller, R. J., 1986, Reconnaissance geologic map of the Mount Ajo and part of the Pisinimo quadrangles, Pima County, Arizona: Miscellaneous Field Studies Map 1820, 1 map ;45 x 55 cm., on sheet 61 x 112 cm., folded in envelope 25 x 32 cm.,
- Trent, V. A., 1986, Estimated resources on non-leased federal coal, Powder River basin, Montana and Wyoming: Miscellaneous Field Studies Map 1887, 1 map ;84 x 41 cm., on sheet 104 x 122 cm., folded in envelope 25 x 32 cm. +1 pamphlet (21 p. ; 28 cm.),
- Wallace, A. R.; Blaskowski, M. J.; Pearson, R. C., 1986, Geologic map of the Holy Cross Wilderness, Eagle, Pitkin, and Lake counties, Colorado: Miscellaneous Field Studies Map 1841-A, 1 map ;80 x 60 cm., on sheet 93 x 130 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C., 1986, Maps and interpretation of geochemical anomalies, Chuckwalla Mountains Wilderness Study Area, Riverside County, California: Miscellaneous Field Studies Map 1795, 11 maps on 1 sheet ;19 x 25 cm., sheet 137 x 104 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of lead in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-A, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of copper in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-B, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of zinc in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-D, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of molybdenum in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-E, 2 maps on 1 sheet ;44 x 76 cm., on sheet 101 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of silver in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-F, 2 maps on 1 sheet ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of tungsten in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-G, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of bismuth and beryllium in the nonmagnetic fraction of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-H, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of tin in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-I, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of manganese in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-J, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Watts, K. C.; Hassemer, J. R.; Forn, C. L.; Siems, D. F., 1986, Geochemical maps showing distribution and abundance of barium in two fractions of stream-sediment concentrates, Silver City 1 degree by 2 degrees Quadrangle, New Mexico and Arizona: Miscellaneous Field Studies Map 1183-K, 2 maps ;45 x 75 cm., on sheet 102 x 117 cm., folded in envelope 25 x 32 cm.,
- Whitfield, J. W., 1986, Surficial materials map of the Springfield 1 degree by 2 degrees Quadrangle, Missouri: Miscellaneous Field Studies Map 1830-B, 1 map ;45 x 71 cm., on sheet 85 x 95 cm., folded in envelope 25 x 32 cm.,
- Wilson, F. H.; O'Leary, R. M., 1986, Maps and tables showing data and analyses of semi-quantitative emmission spectrometry and atomic-absorption spectrophotometry of rock samples, Ugashik, Bristol Bay, and part of Karluk quadrangles, Alaska: Miscellaneous Field Studies Map 1539-C, 3 maps ;45 x 97 cm., on sheets 96 x 114 cm., folded in envelope 25 x 32 cm.,
- Windolph, J. F., 1986, Maps showing coal resources of the Amonate Quadrangle, Buchanan and Tazewell counties, Virginia and McDowell County, West Virginia: Miscellaneous Field Studies Map 1730, 20 maps on 1 sheet ;19 x 15 cm., sheet 106 x 122 cm., folded in envelope 25 x 32 cm.,
- Worl, R. G.; Koesterer, M. E.; Hulsebosch, T. P., 1986, Geologic map of the Bridger Wilderness and the Green-Sweetwater Roadless Area, Sublette and Fremont counties, Wyoming: Miscellaneous Field Studies Map 1636-B, 1 map ;56 x 49 cm., on sheet 72 x 124 cm., folded in envelope 25 x 32 cm.,
- Zigler, J. L.; Wentworth, C. M.; Bartow, J. A., 1986, Structure contour map of the tops of the Kreyenhagen Formation and Cretaceous strata in the Coalinga area, Fresno and Kings counties, California: Miscellaneous Field Studies Map 1843, 1 map ;81 x 59 cm., on sheet 102 x 107 cm., folded in envelope 25 x 32 cm.,
- Zimbelman, D. R., 1986, Geochemical maps of the Anaconda-Pintlar Wilderness, Granite, Deer Lodge, Beaverhead, and Ravalli counties, Montana: Miscellaneous Field Studies Map 1633-B, 18 maps on 2 sheets ;20 x 27 cm., sheets 88 x 132 cm., folded in envelope 25 x 32 cm.,
