- Adolphson, D. G.; Seijo, M. A.; Robison, Tully M., 1977, Water resources of the Maunabo Valley, Puerto Rico: U.S. Geological Survey, Water-Resources Investigations Report 76-115, v, 38 p. :ill. ;28 cm.,
- Akers, J. P., 1977, Sources of emergency water supplies in Santa Clara County, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-51, iv, 21 p. :ill., 1 fold. map in pocket ;27 cm. --,
- Akers, J. P.; Jackson, L. E., 1977, Geology and ground-water in western Santa Cruz County, California, with particular emphasis on the Santa Margarita Sandstone: U.S. Geological Survey, Water-Resources Investigations Report 77-15, 1 map : col. ;on sheet 86 x 117 cm. fold. to 30 x 22 cm.,
- Anderson, Gary S., 1977, Artificial recharge experiments on the Ship Creek alluvial fan, Anchorage, Alaska: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-38, v, 39 p. :ill. (1 fold. in pocket), maps ;27 cm. [PGS: 50 p.],
- Anderson, Henry R., 1977, Ground water in the Lajas Valley, Puerto Rico: Water-Resources Investigations Report 76-68, v, 45 p. : ill. ; 28 cm.; 16 figs., 4 tables, 28 ref.,
- Anderson, Warren; Hughes, G. H., 1977, Hydrologic considerations in dewatering and refilling Lake Carlton : Orange and Lake Counties, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-131, iv, 31 p. :ill., maps ;26 cm.,
- Armbruster, J. T., 1977, Flow routing in the Susquehanna River Basin: Part I - Effects of Raystown Lake on the low-flow frequency characteristics of the Juniata and lower Susquehanna Rivers, Pennsylvania: Water-Resources Investigations Report 77-12, 35 p.,
- Babcock, H. M., 1977, Annual summary of ground-water conditions in Arizona, spring 1975 to spring 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-10, col. map ;96 x 64 cm. fold. in envelope 30 x 24 cm. --,
- Babcock, H. M., 1977, Annual summary of ground-water conditions in Arizona, spring 1976 to spring 1977: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-106, 4 maps (1 col.) ;on 2 sides of sheet 97 x 64 cm. fold. in envelope 30 x 24 cm. --,
- Barker, J. L., 1977, Water-quality of Tulpehocken Creek, Berks County, Pennsylvania, prior to impoundment of Blue Marsh Lake: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-55, v, 59 p. :ill., maps ;26 cm.,
- Barks, J. H., 1977, Effects of abandoned lead and zinc mines and tailings piles on water quality in the Joplin area, Missouri: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-75, iv, 49 p. :ill., maps ;26 cm.,
- Bentley, C. B., 1977, Aquifer test analyses for the Floridan aquifer in Flagler, Putnam, and St Johns Counties, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-36, 50 p. :ill., maps ;27 cm.,
- Bentley, C. B., 1977, Surface-water and ground-water features, Clay County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-87, viii, 59 p. :ill., maps ;27 cm.,
- Boggess, Durward Hoye; Missimer, T. M.; O'Donnell, T. H., 1977, Saline-water intrusion related to well construction in Lee County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-33, iv, 29 p. :ill., maps ;27 cm.,
- Boning, Charles W., 1977, Preliminary evaluation of flood frequency relations in the urban areas of Memphis, Tennessee: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-132, vi, 50 p. :ill., map ;27 cm.,
- Borchert, W. B., 1977, Preliminary digital model of the Arikaree aquifer in the Sweetwater River basin, central Wyoming: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-107, iii, 19 p. :maps (some fold. in pocket) ;27 cm. --,
- Borman, R. G.; Major, T. J., 1977, Water-level changes in the northern high plains of Colorado, 1964 to 1976 and 1972 to 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-42, 2 col. maps ;on sheet 79 x 91 cm. fold. in envelope 30 x 24 cm. --,
- Boswell, E. H., 1977, The Eutaw-McShan aquifer in Mississippi: Water-Resources Investigations Report 76-134, col. map 54 x 35 cm. on 2 sheets 74 x 107 cm. fold. in envelope 31 x 23 cm.; Scale ca. 1:850,000.,
- Brice, James Coble, 1977, Lateral migration of the Middle Sacramento River, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-43, iv, 51 p. :ill., maps ;27 cm.,
- Brogden, R. E.; Giles, T. F., 1977, Reconnaissance of ground-water resources in a part of the Yampa River basin between Craig and Steamboat Springs, Moffat and Routt counties, Colorado: U.S. Geological Survey, Water-Resources Investigations Report 77-4, col. map ;31 x 62 cm. on sheet 86 x 118 cm. fold. in envelope 30 x 24 cm.,
- Burkham, D. E., 1977, A technique for determining depths for T-year discharges in rigid-boundary channels: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-83, iv, 38 p. :ill., maps ;27 cm.,
- Coffin, D. L.; Reed, T. E.; Ayers, S. D., 1977, Water-level changes in wells along the west side of the Cedar Creek anticline, southeastern Montana: U.S. Geological Survey, Water-Resources Investigations Report 77-93, iv, 11 p. :ill., maps (some fold. in pocket) ;27 cm.,
- Collins, Dannie L., 1977, Computation of records of streamflow at control structures: U.S. Dept. of the Interior, Geological Survey, Gulf Coast Hydroscience Center, National Space Technology Laboratories, Water-Resources Investigations Report 77-8, vii, 57 p. :ill. ;28 cm.,
- Cory, Robert L., 1977, Water quality in Rhode River at Smithsonian Institution Pier near Annapolis, Maryland, January 1974 through December 1975: U.S. Geological Survey, Water-Resources Investigations Report 77-20, iii, 48 p. :ill., map ;26 cm.,
- Cotton, J. E., 1977, Availability of ground water in the lower Merrimack River basin southern New Hampshire: U.S. Geological Survey, Water-Resources Investigations Report 77-69, 1 map : col. ;on sheet 112 x 77 cm. fold. in cover 30 x 24 cm. --,
- Cotton, J. E., 1977, Availability of ground water in the Piscataqua and other coastal river basins southeastern New Hampshire: U.S. Geological Survey, Water-Resources Investigations Report 77-70, 1 map : col. ;on sheet 111 x 77 cm. fold. to 28 x 20 cm. --,
- Cotton, J. E., 1977, Availability of ground water in the lower Connecticut River basin, southwestern New Hampshire: U.S. Geological Survey, Water-Resources Investigations Report 77-79, 1 map :col. ;102 x 71 cm.,
- Counts, H. B.; Krause, R. E., 1977, Digital model analysis of the principal artesian aquifer, Savannah, Georgia area: U.S. Geological Survey, Water-Resources Investigations Report 76-133, 10 maps and 1 ill. on 4 sheets :some col. ;18 x 21 cm. and smaller, sheets 61 x 76 cm., folded in envelope 31 x 23 cm.,
- Crist, M. A., 1977, Hydrologic evaluation of the Arikaree Formation near Lusk, Niobrara and Goshen counties, Wyoming: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-111, iv, 23 p. :ill., maps (some fold.) ;27 cm.,
- Curtis, George W., 1977, Frequency analysis of Illinois floods using observed and synthetic streamflow records: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-104, v, 32 p. :ill., maps ;27 cm.,
- Curtis, George W., 1977, Technique for estimating magnitude and frequency of floods in Illinois: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-117, v, 70 p. :ill., maps ;26 cm.,
- Daniel, C. C., 1977, Digital flow model of the Chowan River estuary, North Carolina: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-63, vi, 84 p. :ill., maps ;27 cm.,
- DeLong, Lewis L., 1977, An analysis of salinity in streams of the Green River Basin, Wyoming: Dept. of the Interior, Geological Survey, Water-Resources Investigations Report 77-103, vi, 32 p. :ill., maps ;26 cm.,
- Dysart, J. E.; Pascale, C. A.; Trapp, Henry, 1977, Water resources inventory of northwest Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-84, v, 114 p. :ill. (some fold.), maps (some fold.) ;27 cm.,
- Eccles, Lawrence A.; Bradford, Wesley L., 1977, Distribution of nitrate in ground water, Redlands, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-117, v, 38 p. :ill., maps ;27 cm.,
- Emmons, P. J., 1977, Artificial-recharge tests in Upper Black Squirrel Creek basin, Jimmy Camp Valley, and Fountain Valley, El Paso County, Colorado: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-11, iv, 49 p. :ill., maps ;26 cm.,
- Evans, K. F., 1977, Water quality of the glacial-outwash aquifer in the Great Miami River Basin, Ohio: Water-Resources Investigations Report 77-76, NA,
- Fairchild, R. W.; Bentley, C. B., 1977, Saline-water intrusion in the Floridan Aquifer in the Fernandina Beach area, Nassau County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-32, iv, 27 p. :ill., maps ;26 cm.,
- Faust, R. J., 1977, Ground-water resources of the Lexington, Kentucky, area: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-113, v, 24 p. :ill., maps (1 col., 4 fold. col. in pocket) ;27 cm.,
- Ferreira, Rodger F.; Green, D. Brady, 1977, Distribution and abundance of benthic organisms in the Sacramento River, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-60, iv, 24 p. :ill., maps ;27 cm.,
- Ficke, Eleanore R.; Ficke, John F., 1977, Ice on rivers and lakes : a bibliographic essay: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-95, v, 173 p. ;27 cm.,
- Ficke, John F.; Adams, D. Briane; Danielson, T. W., 1977, Evaporation from seven reservoirs in the Denver water-supply system, central Colorado: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-114, viii, 170 p. :ill. ;26 cm.,
- Fisk, D. W.; Rosenau, J. C., 1977, Potentiometric surface of the Floridan aquifer in the Suwannee River Water Management District, north Florida, May 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-1, col. map ;56 x 66 cm. fold. in envelope 31 x 23 cm. --,
- Frost, Leonard R., Jr., 1977, Tropic conditions in Lake Winnisquam, New Hampshire: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-137, v, 36 p. :ill., maps ;26 cm.,
- Gaggiani, Neville G.; McPherson, Benjamin F., 1977, Limnological characteristics of Cypress Lake, Upper Kissimmee River Basin, Florida: Water-Resources Investigations Report 77-45, 3 col. maps ; 69 x 97 cm. fold to 28 x 22 cm. in envelope 31 x 23 cm.,
- Gebert, W. A.; Holmstrom, B. K., 1977, Low-flow characteristics at gaging stations on the Wisconsin, Fox, and Wolf rivers, Wisconsin: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-27, iii, 20 p. :ill., map ;28 cm.,
- Glysson, G. Douglas, 1977, Sedimentation in Santa Margarita Lake, San Luis Obispo County, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-56, iv, 15 p. :ill., 3 fold. maps (in pocket) ;27 cm. [PGS: 40 p.],
- Golden, Harold G., 1977, Preliminary flood-frequency relations for urban streams, Metropolitan Atlanta, Georgia: U.S. Geological Survey, Water-Resources Investigations Report 77-57, 16 p. :ill. ;26 cm.,
- Gonthier, Joseph B.; Harris, D. D., 1977, Water resources of the Umatilla Indian Reservation, Oregon: Water-Resources Investigations Report 77-3, NA,
- Grove, David B., 1977, The use of Galerkin finite-element methods to solve mass-transport equations: U.S. Dept. of the Interior, Geological Survey, Water-Resources Investigations Report 77-49, v, 55 p. :ill., maps ;27 cm.,
- Grubb, H. F., 1977, Potential for downward leakage to the Floridan Aquifer, Green Swamp area, central Florida: U.S. Geological Survey in cooperation with the Southwest Florida Water Management District, Water-Resources Investigations Report 77-71, 5 maps and 1 cross section ;on sheet 71 x 96 cm. fold. to 28 x 21 cm. in envelope 31 x 23 cm. --,
- Guetzkow, Lowell C., 1977, Techniques for estimating magnitude and frequency of floods in Minnesota: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-31, iv, 33 p. :ill., maps, transparent grid (in pocket) ;26 cm.,
- Haire, W. J.; Johnson, K. G., 1977, Floods of November 12, 1974 in the Charlotte Amalie area, St Thomas, US Virgin Islands: U.S. Geological Survey, Water-Resources Investigations Report 76-91, 1 map ;on 2 sheets 42 x 57 cm.,
- Harbaugh, Arlen W.; Getzen, Rufus T., 1977, Stream simulation in an analog model of the ground-water system on Lond Island, New York: U.S. Geological Survey, Water-Resources Investigations Report 77-58, iv, 15 p. :ill., maps ;26 cm.,
- Harvey, E. J.; Williams, J. H.; Dinkel, T. R., 1977, Application of thermal imagery and aerial photography to hydrologic studies of karst terrane in Missouri: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-16, vi, 58 p. :ill., maps ;26 cm.,
- Healy, H. G., 1977, Public water supplies of selected municipalities in Florida, 1975: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-53, v, 309 p. :ill., maps ;27 cm.,
- Hearne, Glenn A., 1977, Evaluation of a potential well field near Church Rock as a water supply for Gallup, New Mexico: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-98, iv, 21 p. :ill., map ;26 cm.,
- Helgesen, J. O., 1977, Ground-water appraisal of the Pineland Sands area, central Minnesota: U.S. Geological Survey, Water-Resources Investigations Report 77-102, viii, 49 p. :ill., maps (some fold. in pocket) ;27 cm. --,
- Hobba, W. A., 1977, Geochemical and hydrologic data for wells and springs in thermal-spring areas of the Appalachians: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-25, v, 36 p. :ill., maps ;27 cm.,
- Hodges, A. L.; Willey, R. W.; Ashley, J. W.; Butterfield, David, 1977, Ground-water resources of the Upper Winooski River basin, Vermont: U.S. Geological Survey, Water-Resources Investigations Report 77-120, iv, 27 p. :ill., maps (4 fold. in pocket) ;27 cm.,
- Hughes, Jerry L., 1977, Evaluation of ground-water quality in the Santa Maria Valley, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-128, v, 72 p. :ill., maps ;27 cm.,
- Hurr, R. T.; Schneider, P. A., 1977, Ground-water resources of the alluvial aquifers in northeastern Larimer County, Colorado: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-7, iv, 31 p. :ill. (1 fold. col. in pocket), maps (5 fold. col. in pocket) ;26 cm.,
- Jennings, M. E.; Land, L. F., 1977, Simulation studies of flow and sediment transport using a mathematical model, Atchafalaya River Basin, Louisiana: U.S. Geological Survey, Water Resources Division, Gulf Coast Hydroscience Center, National Space Technology Laboratories, Water-Resources Investigations Report 77-14, vi, 55 p. :ill., maps ;28 cm.,
- Johnson, M. J., 1977, Ground-water hydrology of the Lower Milliken-Sarco-Tulucay Creeks area, Napa County, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-82, v, 40 p. :ill., maps (some fold. in pocket) ;27 cm. --,
- Kernodle, J. M., 1977, Theoretical drawdown due to simulated pumpage from the Ohio River alluvial aquifer near Siloam, Kentucky: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-24, vi, 39 p. :ill., maps ;27 cm.,
- Kernodle, J. M.; Whitesides, D. V., 1977, Rising ground-water level in downtown Louisville, Kentucky, 1972-1977: U.S. Geological Survey, Water-Resources Investigations Report 77-92, vi, 24 p. :ill., maps ;27 cm.,
- Knapton, J. R.; McKinley, P. W., 1977, Water quality of selected streams in the coal area of southeastern Montana: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-80, viii, 145 p. :ill., map ;28 cm.,
- Knight, Alfred L.; Newton, John G., 1977, Water and related problems in coal-mine areas of Alabama: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-130, iv, 51 p. :ill., maps ;27 cm.,
- Koehler, J. H., 1977, Ground water in the Koehn Lake area, Kern County, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-66, iv, 24 p. :ill., maps ;27 cm.,
- Konikow, L. F.; Grove, D. B., 1977, Derivation of equations describing solute transport in ground water: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-19, iii, 30 p. :ill. ;26 cm.,
- Lai, Chintu, 1977, Computer simulation of two-dimensional unsteady flows in estuaries and embayments by the method of characteristics : basic theory and the formulation of the numerical method: U.S. Geological Survey, Water-Resources Investigations Report 77-85, x, 70 leaves :ill. ;28 cm.,
- Land, L. F., 1977, Ground-water resources of the Riviera Beach area, Palm Beach County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-47, v, 38 p. :ill., maps ;26 cm.,
- Levings, G. W.; Farrar, C. D., 1977, Maps showing ground-water conditions in the northern part of the Chinle area, Apache County, Arizona, 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-35, 2 maps ;on sheets 103 x 87 cm., folded in envelope 30 x 24 cm.,
- Levings, G. W.; Farrar, C. D., 1977, Maps showing ground-water conditions in the southern part of the Black Mesa area, Navajo, Apache, and Coconino Counties, Arizona, 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-41, 3 maps ;78 x 113 cm. each fold. in envelope 29 x 23 cm.,
- Levings, G. W.; Farrar, C. D., 1977, Maps showing ground-water conditions in the Monument Valley and northern part of the Black Mesa areas, Navajo, Apache, and Coconino counties, Arizona, 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-44, 3 maps ;84 x 110 cm. each fold. in envelope 30 x 24 cm.,
- Levings, G. W.; Farrar, C. D., 1977, Maps showing ground-water conditions in the southern part of the Chinle area, Apache County, Arizona, 1976: U.S. Geological Survey, Water-Resources Investigations Report 77-50, 2 maps ;89 x 82 cm. each fold. in envelope 30 x 24 cm. --,
- Lindskov, K. L., 1977, Low-flow characteristics of Minnesota streams: Minnesota Dept. of Natural Resources, Division of Waters, Water-Resources Investigations Report 77-48, 197 p. :map ;28 cm.,
- Mann, Larry J., 1977, Maps showing ground-water conditions in the Puerco-Zuni area, Apache and Navajo Counties, Arizona, 1975: Water-Resources Investigations Report 77-5, 3 maps 85 x 82 cm. on 3 sheets 101 x 92 cm. fold. in envelope 30 x 24 cm.,
- McGreevy, L. J.; Sloto, R. A., 1977, Ground-water resources of Chester County, Pennsylvania: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-67, vi, 76 p. :ill., maps (some col., 6 fold. in pocket) ; 26 cm.,
- Mills, L. R.; Ryder, Paul D., 1977, Saltwater intrusion in the Floridan aquifer, coastal Citrus and Hernando Counties, Florida, 1975: Water-Resources Investigations Report 77-100, col. map ; 56 x 23 cm. on sheet 68 x 76 cm. fold. in envelope 31 x 23 cm.,
- Muir, K. S., 1977, Initial assessment of the ground-water resources in the Monterey Bay region, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-46, iv, 33 p. :ill., maps ;27 cm.,
- Muir, K. S., 1977, Ground water in the Fresno area, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-59, iii, 22 p. :ill., maps ;27 cm.,
- Muir, K. S.; Webster, Dwight Albert, 1977, Geohydrology of part of the Round Valley Indian Reservation, Mendocino County, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-22, vi, 40 p. :ill., map ;27 cm.,
- Nichols, W. D., 1977, Geohydrology of the Englishtown Formation in the northern Coastal Plain of New Jersey: U.S. Geological Survey Water-Resources Investigations Report 76-123, vi, 62 p.,
- Nichols, W. D., 1977, Digital computer simulation model of the Englishtown aquifer in the northern coastal plain of New Jersey: U.S. Geological Survey, Water-Resources Investigations Report 77-73, ix, 101 p. :maps ;26 cm. --,
- Nordstrom, D. Kirk; Jenne, Everett A.; Averett, Robert C., 1977, Heavy metal discharges into Shasta Lake and Keswick reservoirs on the upper Sacramento River, California; a reconnaissance during low flow: Water-Resources Investigations Report 76-49, 25 p.,
- Page, R. W., 1977, Guide for data collection to calibrate a predictive digital ground-water model of the unconfined aquifer in and near the city of Modesto, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-41, v, 46 p. :ill., maps ;27 cm.,
- Pettijohn, R. A., 1977, Nature and extent of ground-water-quality changes resulting from solid-waste disposal, Marion County, Indiana: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-40, ix, 119 p. :ill. ;28 cm.,
- Price, McGlone, 1977, Techniques for Estimating Flood-Depth Frequency Relations on Natural Streams in Georgia: U.S. Geological Survey Water-Resources Investigations Report 77-90, iii, 33 p.,
- Reichenbaugh, R. C., 1977, Effects on ground-water quality from irrigating pasture with sewage effluent near Lakeland, Florida: Dept. of the Interior, Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-108, vi, 56 p. :ill. ;26 cm.,
- Reichenbaugh, R. C.; Hughes, G. H., 1977, Evaluation of chemical, biological, and physical conditions in the Winter Haven chain of lakes, Florida, March-June 1976: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-52, 34 p. :ill. ;27 cm.,
- Rima, Donald Robert; Moran, Mary S.; Woods, E. Jean, 1977, Ground-water supplies in the Murfreesboro area, Tennessee: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-86, viii, 76 p. :ill., maps (some fold.) ;27 cm.,
- Robertson, A. F., 1977, Flood profiles of the Alafia River, west-central Florida, computed by step-backwater method: U.S. Geological Survey, Water-Resources Investigations Report 77-74, iv, 21 p. :ill. (some fold. in pocket), 1 fold. map (in pocket) ;26 cm.,
- Robertson, A. F.; Mallory, M. J., 1977, A digital model of the Floridan Aquifer, north of Tampa, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-64, iv, 29 p. :ill., maps ;27 cm.,
- Robison, J. H.; Collins, C. A., 1977, Availability and quality of ground water in the Winston area, Douglas County, Oregon: Water-Resources Investigations Report 77-28, NA,
- Robson, Stanley G., 1977, Ground-water quality near a sewage-sludge recycling site and a landfill near Denver, Colorado: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-132, iv, 137 p. :ill., maps (some fold. in pocket) ;26 cm. [PGS: 152 p.],
- Rose, William J., 1977, Hydrologic considerations associated with dredging spring ponds in Wisconsin: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-18, v, 35 p. :ill., maps ;28 cm.,
- Ross, P. P., 1977, Map showing ground-water conditions in the lower Verde River area, Maricopa, Yavapai, and Gila Counties, Arizona, 1976: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-113, fold. map ;88 x 71 cm. --,
- Rutledge, A. T., 1977, Hydrologic reconnaissance of Tsala Apopka Lake, Citrus County, Florida: U.S. Geological Survey, Water-Resources Investigations Report 77-89, 1 map : col. ;50 x 48 cm. on sheet 71 x 97 cm. fold. in envelope 30 x 24 cm.,
- Schneider, V. R.; Board, J. W.; Colson, B. E.; Lee, F. N.; Druffel, Leroy, 1977, Computation of backwater and discharge at width constrictions of heavily vegetated flood plains: U.S. Geological Survey, Gulf Coast Hydroscience Center, National Space Technology Laboratories, Water-Resources Investigations Report 76-129, viii, 64 p. :ill. ;28 cm.,
- Schroeder, E. E.; Massey, B. C., 1977, Technique for Estimating the Magnitude and Frequency of Floods in Texas: Geological Survey (U.S.) Water-Resources Investigations Report 77-110, iii, 22 p.,
- Scott, W. B., 1977, Hydraulic conductivity and water quality of the shallow aquifer, Palm Beach County, Florida: Dept. of the Interior, Geological Survey, Water Resources Division, Water-Resources Investigations Report 76-119, iv, 22 p. :ill., maps ;26 cm.,
- Scott, W. B.; Land, L. F.; Rodis, H. G., 1977, Saltwater intrusion in the shallow aquifer in Martin and Palm Beach counties, Florida: U.S. Geological Survey, Water-Resources Investigations Report 76-135, col. map ;41 x 11 cm. on sheet 71 x 76 cm. fold. in envelope 30 x 24 cm. --,
- Shampine, W. J., 1977, Indiana stream-temperature characteristics: Dept. of the Interior, Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-6, v, 55 p. :ill., maps ;28 cm.,
- Sinclair, William C., 1977, Experimental study of artificial recharge alternatives in northwest Hillsborough County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-13, 52 p. :ill., maps ;26 cm.,
- Skrivan, James A., 1977, Digital-model evaluation of the ground-water resources in Ocotillo-Coyote Wells Basin, Imperial County, California: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-30, v, 50 p. :ill., maps ;27 cm.,
- Spiers, C. A., 1977, The Winona-Tallahatta Aquifer in Mississippi: U.S. Geological Survey, Water-Resources Investigations Report 77-125, 1 map :col. ;on sheet 107 x 74 cm., folded in envelope 31 x 22 cm. +1 sheet (74 x 107 cm.),
- Spiers, C. A., 1977, The Cockfield aquifer in Mississippi: U.S. Geological Survey, Water-Resources Investigations Report 77-17, 8 col. maps ;69 x 58 cm. or smaller on 3 sheets 74 x 108 cm. each fold. in envelope 31 x 23 cm. --,
- Swayze, Leo J.; McPherson, Benjamin F., 1977, The effect of the Faka Union Canal system on water levels in the Fakahatchee Strand, Collier County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-61, iii, 19 p. :ill., maps ;26 cm.,
- Taylor, G. F., 1977, Hydrology of Lake Panasoffkee, Sumter County, Florida: U.S. Geological Survey, Water-Resources Investigations Report 77-88, 3 col. maps ;26 x 13 cm. and 41 x 34 cm. on sheet 66 x 94 cm. fold. in envelope 31 x 23 cm. --,
- Thomas, W. O.; Corley, R. K., 1977, Techniques for estimating flood discharges for Oklahoma streams; techniques for calculating magnitude and frequency of floods in Oklahoma from rural and urban areas under 2500 square miles, with compilations of flood data through 1975: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-54, v, 170 p. :ill., maps ;26 cm.,
- Tobin, R. L.; Youger, J. D., 1977, Limnology of selected lakes in Ohio, 1975: [U.S. Govt. Print. Off.], Water-Resources Investigations Report 77-105, xiii, 205 p. :ill., maps ;27 cm.,
- Trapp, Henry; Pascale, C. A.; Foster, J. B., 1977, Water resources of Okaloosa County and adjacent areas, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-9, vi, 83 p. :ill., maps ;26 cm.,
- Waananen, Arvi O.; Crippen, John R., 1977, Magnitude and frequency of floods in California: Water Resources Division, U.S. Geological Survey ;available through the National Technical Information Service, Water-Resources Investigations Report 77-21, v, 96 p. :ill., maps ;27 cm.,
- Wandle, S. William, Jr., 1977, Estimating the magnitude and frequency of floods on natural-flow streams in Massachusetts: Water-Resources Investigations Report 77-39, 26 p., 1 plate,
- Wangsness, David J., 1977, Physical, chemical, and biological relations of four ponds in the Hidden Water Creek strip-mine area, Powder River Basin, Wyoming: U.S. Geological Survey, Water-Resources Investigations Report 77-72, v, 48 p. :ill., maps ;27 cm.,
- Watkins, F. A.; Laughlin, C. P.; Hayes, E. C., 1977, Potentiometric surface map of the Floridan Aquifer in the St Johns River Water Management District and vicinity, Florida, September, 1977: U.S. Geological Survey, Water-Resources Investigations Report 78-69, 2 maps ;on sheet 107 x 77 cm. fold. to 28 x 20 cm.,
- Watkins, Frank A., Jr., 1977, Effectiveness of pilot connector well in artificial recharge of the Floridan aquifer, western Orange County, Florida: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-112, iv, 28 p. :ill., maps ;26 cm.,
- Westfall, A. O.; Webber, E. E., 1977, Time of travel of solutes in the Tuscarawas River Basin, Ohio, August and September, 1974: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-23, v, 7 p. :ill., map ;26 cm.,
- Westfall, Arthur O., 1977, Time of travel of solutes in selected reaches of Ohio streams, 1973 and 1975: Water-Resources Investigations Report 77-116, 60 p.,
- Winner, M. D., Jr., 1977, Ground-water resources along the Blue Ridge Parkway, North Carolina: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-65, ix, 170 p. :ill., maps ;27 cm.,
- Winner, M. D.; Simmons, C. E., 1977, Hydrology of the Creeping Swamp Watershed, North Carolina with reference to potential effects of stream channelization: U.S. Geological Survey, Water Resources Division, Water-Resources Investigations Report 77-26, vi, 54 p. :ill., maps ;26 cm.,
- Wood, W. D.; Snell, L. J., 1977, Hydrologic map of the Orlando East Quadrangle, Florida: U.S. Geological Survey, Water-Resources Investigations Report 77-134, 8 maps :photocopy ;72 x 55 cm.,
- Wood, W. D.; Snell, L. J., 1977, Hydrologic map of the Orlando West Quadrangle, Florida: U.S. Geological Survey, Water-Resources Investigations Report 77-135, 8 maps ;72 x 55 cm.,
- Young, H. W., 1977, Reconnaissance of ground-water resources in the Mountain Home plateau area, southwest Idaho: U.S. Geological Survey, Water-Resources Investigations Report 77-108, iv, 40 p. :ill. (some fold. in pocket), maps (some fold. in pocket) ;27 cm.,