- Abrams, G. A.; Grauch, V. J.; Bankey, Viki, 1990, Complete Bouguer gravity anomaly map of the Uinta and Piceance basins and vicinity, Utah and Colorado: Miscellaneous Field Studies Map 2008-D, 1 map ;67 x 113 cm., on sheet 96 x 122 cm., folded in envelope 30 x 24 cm.,
- Algermissen, S. T.; Perkins, D. M.; Thenhaus, P. C; Hanson, S. L.; Bender, B. L., 1990, Probabilistic earthquake acceleration and velocity maps for the United States and Puerto Rico: Miscellaneous Field Studies Map 2120, 4 maps on 2 sheets ;43 x 66 cm., sheets 106 x 71 cm. and 112 x 89 cm., folded in envelope 30 x 24 cm.,
- Barnes, D. F.; Morin, R. L., 1990, Gravity contour map and interpretation of gravity data for the Chugach National Forest, Alaska: Miscellaneous Field Studies Map 1645-F, 1 map ;71 x 138 cm., on sheet 91 x 147 cm., folded in envelope 30 x 24 cm. +1 pamphlet (5 p. ; 28 cm.),
- Bonnichsen, Bill; Bernt, J. L.; Jenks, M. D., 1990, Geologic map of the Sheep Creek West Wilderness Study Area, Owyhee County, Idaho: Miscellaneous Field Studies Map 2126, 1 map ;28 x 34 cm., on sheet 53 x 94 cm., folded in envelope 30 x 24 cm.,
- Bonnichsen, Bill; Jenks, M. D., 1990, Geologic map of the Jarbidge River Wilderness Study Area, Owyhee County, Idaho: Miscellaneous Field Studies Map 2127, 1 map ;83 x 62 cm., on sheet 96 x 107 cm., folded in envelope 30 x 24 cm.,
- Carrara, P. E., 1990, Surficial geologic map of the Chewelah Quadrangle, Stevens County, Washington: Miscellaneous Field Studies Map 2141, 1 map ;58 x 39 cm., on sheet 76 x 74 cm., folded in envelope 30 x 24 cm.,
- Church, S. E.; Arbogast, B. F., 1990, Geochemical maps showing the distribution of selected elements determined in nonmagnetic heavy-mineral concentrates from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska: Miscellaneous Field Studies Map 2021-C, 2 maps :col. ;45 x 93 cm., on sheets 96 x 135 cm. and 81 x 102 cm., folded in envelope 30 x 24 cm.,
- Church, S. E.; Bennett, G. J., 1990, Mineralogical maps showing the distribution of selected minerals identified in nonmagnetic heavy-mineral concentrates from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska: Miscellaneous Field Studies Map 2021-D, 2 maps on 1 sheet :col. ;45 x 93 cm., sheet 142 x 101 cm., folded in envelope 30 x 24 cm.,
- Church, S. E.; Motooka, J. M., 1990, Geochemical map showing the distribution of selected leachable metals in stream sediments from the Mount Katmai and parts of the Afognak and Naknek quadrangles, Alaska: Miscellaneous Field Studies Map 2021-B, 2 maps :col. ;45 x 93 cm., on sheets 96 x 142 cm. and 72 x 104 cm., folded in envelope 30 x 24 cm.,
- Clarke, S. H., 1990, Map showing geologic structures of the northern California continental margin: Miscellaneous Field Studies Map 2130, 1 map ;89 x 51 cm., on sheet 112 x 56 cm., folded in envelope 30 x 24 cm.,
- compiled by Vedder, J. G., 1990, Maps of California continental borderland showing compositions and ages of bottom samples acquired between 1968 and 1979: Miscellaneous Field Studies Map 2122, 1 map on 3 sheets ;112 x 161 cm., sheets 132 x 81 cm. and smaller, folded in envelope 30 x 24 cm.,
- Crysdale, B. L., 1990, Isopach map of the interval from surface elevation to the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River basin, Wyoming and Montana: Miscellaneous Field Studies Map 2140-A, 1 map ;72 x 58 cm., on sheet 86 x 112 cm., folded in envelope 30 x 24 cm.,
- Crysdale, B. L., 1990, Map showing contours on the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River basin, Wyoming and Montana: Miscellaneous Field Studies Map 2140-B, 1 map ;72 x 58 cm., on sheet 91 x 104 cm., folded in envelope 30 x 24 cm.,
- Danforth, W. W.; Schwab, W. C., 1990, High-resolution seismic stratigraphy of the upper continental rise seaward of Georges Bank: Miscellaneous Field Studies Map 2111, 24 maps and 24 sections on 11 sheets ;sheets 94 x 138 cm. and smaller, folded in envelope 32 x 24 cm. +1 pamphlet (10 p. ; 28 cm.),
- Diggles, M. F.; Conrad, J. E.; Soreghan, G. A., 1990, Geologic map of the Diablo Mountain Wilderness study area, Lake County, Oregon: Miscellaneous Field Studies Map 2121, 1 map ;80 x 55 cm., on sheet 96 x 78 cm., folded in envelope 30 x 24 cm.,
- Donnell, J. R.; Yeend, W. E.; Smith, M. C., 1990, Geologic map of the South Mamm Peak Quadrangle, Garfield and Mesa counties, Colorado: Miscellaneous Field Studies Map 2113, 1 map ;58 x 45 cm., on sheet 81 x 86 cm., folded in envelope 30 x 24 cm.,
- Dupre, W. R., 1990, Maps showing geology and liquefaction susceptibility of Quaternary deposits the Monterey, Seaside, Spreckels, and Carmel Valley quadrangles, Monterey County, California: Miscellaneous Field Studies Map 2096, 2 maps ;sheets 105 x 142 cm., folded in envelope 30 x 24 cm.,
- Dyman, T. S.; Tysdal, R. G., 1990, Correlation chart of lower and upper Cretaceous Blackleaf Formation, Lima Peaks area to eastern Pioneer Mountains, southwestern Montana: Miscellaneous Field Studies Map 2119, 5 sections on 2 sheets ;sheets 91 x 112 cm. and 104 x 137 cm., folded in envelope 30 x 24 cm. +1 pamphlet (13 p. ; 28 cm.),
- Erickson, R. L.; Mosier, E. L.; Folger, H. W.; Bullock, J. H.; Berendsen, Pieter; Daly, Mary, 1990, Summary geochemical maps of the Joplin 1 degree by 2 degrees Quadrangle, Kansas and Missouri: Miscellaneous Field Studies Map 2125-A, 5 maps on 1 sheet :col. ;44 x 71 cm. and 23 x 35 cm., on sheet 127 x 94 cm., folded in envelope 30 x 24 cm. +1 pamphlet (82 p. : ill. ; 28 cm.),
- Folger, D. W.; Irwin, B. J.; McCullough, J. R.; Bouse, R. M.; Polloni, C. F.; Dodd, J. E.; O'Brien, T. F., 1990, Map showing free-air gravity anomalies around the Cape Verde Islands: Miscellaneous Field Studies Map 2098-A, 1 map ;59 x 57 cm., on sheet 71 x 89 cm., folded in envelope 30 x 24 cm.,
- Folger, D. W.; Irwin, B. J.; McCullough, J. R.; Driscoll, G. R.; Polloni, C. F., 1990, Map showing free-air gravity anomalies off the western coast of Africa Western Sahara to Senegal (north of 15 north latitude): Miscellaneous Field Studies Map 2098-C, 1 map ;81 x 50 cm., on sheet 97 x 71 cm., folded in envelope 30 x 24 cm.,
- Folger, D. W.; Irwin, B. J.; McCullough, J. R.; Driscoll, G. R.; Polloni, C. F., 1990, Map showing free-air gravity anomalies off the western coast of Africa Senegal (south of 15 degrees north latitude) to Sierra Leone: Miscellaneous Field Studies Map 2098-D, 1 map ;81 x 59 cm., on sheet 96 x 78 cm., folded in envelope 30 x 24 cm.,
- Folger, D. W.; Irwin, B. J.; McCullough, J. R.; Rowland, R. W.; Polloni, C. F., 1990, Map showing free-air gravity anomalies off the southern coast of west-central Africa Liberia to Ghana: Miscellaneous Field Studies Map 2098-E, 1 map ;59 x 96 cm., on sheet 72 x 127 cm., folded in envelope 30 x 24 cm.,
- Folger, D. W.; McCullough, J. R.; Irwin, B. J.; Dodd, J. E.; Strahle, W. J.; Polloni, C. F.; Bouse, R. M., 1990, Map showing free-air gravity anomalies around the Canary Islands, Spain: Miscellaneous Field Studies Map 2098-B, 1 map ;44 x 79 cm., on sheet 58 x 109 cm., folded in envelope 30 x 24 cm.,
- Folger, D. W.; McCullough, J. R.; Irwin, B. J.; Driscoll, G. R.; Delorey, C. M.; Polloni, C. F., 1990, Map showing free-air gravity anomalies off the western coast of Africa Nigeria to Gabon: Miscellaneous Field Studies Map 2098-F, 1 map ;88 x 74 cm., on sheet 104 x 94 cm., folded in envelope 30 x 24 cm.,
- Jenks, M. D.; Bonnichsen, Bill, 1990, Geologic map of the Bruneau River Wilderness Study Area, Owyhee County, Idaho: Miscellaneous Field Studies Map 2128, 1 map ;120 x 62 cm., on sheet 135 x 97 cm., folded in envelope 30 x 24 cm.,
- Karl, S. M.; Koch, R. D., 1990, Maps and preliminary interpretation of anomalous rock geochemical data from the Petersburg quadrangle and parts of Port Alexander, Sitka, and Sumdum quadrangles, southeastern Alaska: Miscellaneous Field Studies Map 1970-C, 13 maps on 7 sheets ;52 x 64 cm., on sheets 143 x 71 cm. and 87 x 71 cm., folded in 3 envelopes 30 x 24 cm. +1 pamphlet (40 p. ; 28 cm.),
- Kauffman, D. F.; Bonnichsen, Bill, 1990, Geologic map of the Little Jacks Creek, Big Jacks Creek, and Duncan Creek Wilderness Study Areas, Owyhee County, Idaho: Miscellaneous Field Studies Map 2142, 1 map ;sheet 104 x 92 cm., folded in envelope 30 x 24 cm.,
- Kelley, J. S., 1990, Generalized geologic map of the Chandler Lake Quadrangle, north-central Alaska: Miscellaneous Field Studies Map 2144-A, 1 map ;45 x 50 cm., on sheet 64 x 86 cm., folded in envelope 30 x 24 cm. +1 pamphlet (19 p. ; 28 cm.),
- King, E. R., 1990, Magnetic, gravity, and radiometric maps of the Chattanooga 1 degree by 2 degrees Quadrangle, Tennessee and North Carolina: Miscellaneous Field Studies Map 2139, 6 maps on 1 sheet :col. ;22 x 36 cm., on sheet 96 x 132 cm., folded in envelope 30 x 24 cm.,
- Kucks, R. P., 1990, Aeromagnetic anomaly map of the Paducah 1 degree by 2 degrees Quadrangle, Missouri, Illinois, and Kentucky: Miscellaneous Field Studies Map 2131, 1 map ;45 x 72 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of cadmium and antimony in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2137-A, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of silver in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2137-B, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of barium in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-A, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of bismuth and cadmium in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-B, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of copper in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-C, 1 map ;44 x 70 cm., on sheet 61 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of gold in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-D, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of lead in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-E, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of molybdenum in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-F, 1 map ;44 x 70 cm., on sheet 61 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of silver in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-G, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of thorium in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-H, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of tin in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-I, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of uranium in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-J, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miller, W. R.; Motooka, J. M.; McHugh, J. B., 1990, Map showing distribution of zinc in stream-sediment samples, Richfield 1 degree by 2 degrees Quadrangle, Utah: Miscellaneous Field Studies Map 2138-K, 1 map ;44 x 70 cm., on sheet 64 x 107 cm., folded in envelope 30 x 24 cm.,
- Miyaoka, R. T., 1990, Fossil locality map and fossil data for the southeastern Charley River Quadrangle, east-central Alaska: Miscellaneous Field Studies Map 2007, 1 map ;84 x 71 cm., on sheet 102 x 91 cm., folded in envelope 30 x 24 cm. +1 pamphlet (46 p. ; 28 cm.),
- Moring, B. C., 1990, Map showing drill-hole depths, lithologic intercepts, and partial isopachs of basin fill in the Winnemucca 1 degree by 2 degrees Quadrangle, Nevada: Miscellaneous Field Studies Map 1955, 1 map ;44 x 68 cm., on sheet 79 x 79 cm., folded in envelope 30 x 24 cm.,
- Nelson, A. R.; Personius, S. F., 1990, Preliminary surficial geologic map of the Weber segment, Wasatch Fault zone, Weber and Davis counties, Utah: Miscellaneous Field Studies Map 2132, 3 maps on 1 sheet ;sheet 135 x 93 cm., folded in envelope 30 x 24 cm. +1 pamphlet (22 p. ; 28 cm.),
- Nokleberg, W. J.; Lange, I. M.; Singer, D. A.; Curtin, G. C.; Tripp, R. B.; Campbell, D. L.; Yeend, Warren, 1990, Metalliferous mineral resource assessment maps of the Mount Hayes Quadrangle, eastern Alaska Range, Alaska: Miscellaneous Field Studies Map 1996-A, 4 maps ;45 x 60 cm., on sheets 86 x 119 cm. and smaller, folded in envelope 30 x 24 cm. +1 pamphlet (22 p. ; 28 cm.),
- Oberlindacher, Peter, 1990, Geologic map and phosphate resources of the northeastern part of the Lower Valley Quadrangle, Caribou County, Idaho: Miscellaneous Field Studies Map 2133, 1 map ;sheet 125 x 71 cm., folded in envelope 30 x 24 cm.,
- Oldale, Robert N.; O'Hara, Charles J., 1990, Maps showing the geology of the inner continental shelf, Cape Cod Bay, Massachusetts: Miscellaneous Field Studies Map 2118, 11 maps and 5 profiles on 4 sheets ;44 x 48 cm., sheets 103 x 135 cm. and smaller, folded in envelope 30 x 24 cm.,
- Personius, S. F.; Scott, W. E., 1990, Preliminary surficial geologic map of the Salt Lake City segment and parts of adjacent segments of the Wasatch Fault zone, Davis, Salt Lake, and Utah counties, Utah: Miscellaneous Field Studies Map 2114, 1 map ;94 x 42 cm., on sheet 142 x 105 cm., folded in envelope 30 x 24 cm.,
- Rendigs, R. R.; Oldale, R. N., 1990, Maps showing the results of a subbottom acoustic survey of Boston Harbor, Massachusetts: Miscellaneous Field Studies Map 2124, 4 maps on 2 sheets ;37 x 49 cm., sheets 102 x 114 cm. and 89 x 112 cm., folded in envelope 30 x 24 cm.,
- Roehler, H. W., 1990, West-east stratigraphic correlations of surface and subsurface sections of the intertongued Eocene Wasatch and Green River formations, northern Green River basin, Wyoming: Miscellaneous Field Studies Map 2149, 10 cross sections on 1 sheet ;sheet 68 x 102 cm., folded in envelope 30 x 24 cm.,
- Scott, R. W.; Pantea, M. P., 1990, Geologic map of the Texas Creek Quadrangle, Rio Blanco County, Colorado: Miscellaneous Field Studies Map 2134, 1 map ;58 x 45 cm., on sheet 84 x 81 cm., folded in envelope 30 x 24 cm.,
- Sims, J. D., 1990, Geologic map of the San Andreas Fault in the Parkfield 7.5-minute Quadrangle, Monterey and Fresno counties, California: Miscellaneous Field Studies Map 2115, 1 map ;58 x 47 cm., on sheet 106 x 112 cm., folded in envelope 30 x 24 cm.,
- Snook, J. R.; Campbell, A. B.; Lucas, H. E.; Abvrams, M. J.; Janzen, John; Smith, Bruce, 1990, Geologic map of the Inchelium Quadrangle, Stevens and Ferry counties, Washington: Miscellaneous Field Studies Map 1752, 1 map ;58 x 39 cm., on sheet 86 x 61 cm., folded in envelope 10 x 24 cm.,
- Southworth, C. S., 1990, Hydrogeologic setting of springs on Short Hill Mountain, Loudoun County, Virginia: Miscellaneous Field Studies Map 2112, 1 map ;116 x 45 cm., on sheet 127 x 102 cm., folded in envelope 30 x 24 cm.,
- Spencer, J. E., 1990, Geologic map of southern Avawatz Mountains, northeastern Mojave Desert region, San Bernardino County, California: Miscellaneous Field Studies Map 2117, 1 map ;68 x 61 cm., on sheet 105 x 114 cm., folded in envelope 30 x 24 cm.,
- Thompson, J. B.; Rankin, D. W.; McLelland, J. M., 1990, Simplified geologic map of the Glens Falls 1 degree by 2 degrees Quadrangle, New York, Vermont, and New Hampshire: Miscellaneous Field Studies Map 2073, 1 map :col. ;45 x 65 cm., on sheet 76 x 106 cm., folded in envelope 30 x 24 cm.,
- Thornber, C. R., 1990, Geologic map of Harrat Hutaymah, with petrologic classification and distribution of ultramafic inclusions, Saudi Arabia: Miscellaneous Field Studies Map 2129, 1 map :col. ;77 x 74 cm., on sheet 102 x 143 cm., folded in envelope 30 x 24 cm.,
- Trias, J. L., 1990, Maps showing characteristics of the Isabela offshore sand deposit, northwestern Puerto Rico: Miscellaneous Field Studies Map 2136, 7 maps on 1 sheet ;30 x 60 cm. and 15 x 30 cm., sheet 98 x 152 cm., folded in envelope 30 x 24 cm.,
- Tysdal, R. G.; Dyman, T. S.; Nichols, D. J.; Cobban, W. A., 1990, Correlation chart of Frontier Formation from Greenhorn Range, southwestern Montana, to Mount Everts in Yellowstone National Park, Wyoming: Miscellaneous Field Studies Map 2116, 4 sections on 1 sheet ;sheet 104 x 128 cm., folded in envelope 30 x 24 cm. +1 pamphlet (15,[1] p. ; 28 cm.),
- Weisman, M. K.; Weir, G. W., 1990, Geologic map of the Pine 7.5‘ Quadrangle, Coconino and Gila counties, Arizona: Miscellaneous Field Studies Map 2123, 1 map ;58 x 48 cm., on sheet 82 x 84 cm., folded in envelope 30 x 24 cm.,
