- Anderson, T. W., 1968, Electrical-analog analysis of ground-water depletion in central Arizona: U.S. Govt. Print. Off., Water Supply Paper 1860, iii, 21 p. :illus., maps (part fold. col. in pocket) ;24 cm.,
- Barnes, Ivan; Bentall, Ray., 1968, Water-mineral relations of Quaternary deposits in the Lower Platte River drainage area in eastern Nebraska: U.S. G.P.O., Water Supply Paper 1859-D, 39 p. :ill. ;24 cm.,
- Bednar, Gene A.; Collier, Charles R.; Cross, William Perry, 1968, Analysis of water quality of the Mahoning River in Ohio: U.S. G.P.O., Water Supply Paper 1859-C, iv, 32 p. :ill. (some col.) ;24 cm.,
- Bell, Edwin Allen; Nyman, Dale J., 1968, Flow pattern and related chemical quality of ground water in the "500-foot" sand in the Memphis area, Tennessee: U.S. Govt. Print. Off., Water Supply Paper 1853, iv, 27 p. :illus., maps (2 fold. col. in pocket) ;24 cm.,
- Bennett, Gordon D.; Mundorff, M. J.; Hussain, S. Amjad., 1968, Electric-analog studies of Brine coning beneath freshwater wells in the Punjab region, West Pakistan: U.S. G.P.O., Water Supply Paper 1608-J, iv, 31 p. :ill. ;24 cm.,
- Bjorklund, Louis Jay; Robinson, Gerald B., Jr., 1968, Ground-water resources of the Sevier River basin between Yuba Dam and Leamington Canyon, Utah: U.S. G.P.O., Water Supply Paper 1848, v, 79 p. :ill. (some col.) ;24 cm.,
- Bowie, James E.; Kam, W., 1968, Use of water by riparian vegetation, Cottonwood, Washington, Arizona: U.S. Govt. Print. Off., Water Supply Paper 1858, iv, 62 p. :illus., maps (1 fold. col. in pocket) ;24 cm.,
- Cummings, T. Ray, 1968, Salt-water encroachment in the South Edisto River Estuary, South Carolina: U.S. G.P.O., Water Supply Paper 1586-I, iv, 19 p. :ill. ;24 cm.,
- Dempster, G. R.; Lutz, Gale A., 1968, Water-discharge determinations for the tidal reach of the Willamette River from Ross Island Bridge to Mile 10.3, Portland, Oregon: U.S. Govt. Printing Off., Water Supply Paper 1586-H, iv, 32 p. :ill. ;23 cm.,
- Dover, Tyrus B.; Leonard, Alvin Riley; Laine, Leo Lauri., 1968, Water for Oklahoma: For sale by the Supt. of Docs., U. S. Govt. Print. Off., Water Supply Paper 1890, vi, 107 p. :illus. (part col.) maps (1 fold. col. in pocket) ;24 cm.,
- Dutcher, L. C.; Thomas, H. E., 1968, Regional geology and ground-water hydrology of the Sahil Susah area, Tunisia: U.S. G.P.O., Water Supply Paper 1757-G, iv, 53 p. :ill., maps ;24 cm.,
- Edwards, K. W., 1968, Isotopic analysis of uranium in natural waters by alpha spectrometry: U.S. G.P.O., Water Supply Paper 1696-F, iv, 26 p. :ill. ;23 cm.,
- Halberg, Henry N.; Bryant, Charles T.; Hines, Marion S., 1968, Water resources of Grant and Hot Spring Counties, Arkansas: U.S. Govt. Print. Off., Water Supply Paper 1857, v, 64 p. :illus., maps (part col.) ;24 cm.,
- Hamilton, Louis J.; Paulson, Q. F., 1968, Geology and ground-water resources of the lower Bighorn Valley, Montana: Geological Survey; for sale by the Supt. of Docs.] U.S. Govt. Print. Off., Water Supply Paper 1876, v, 39 p. :illus., maps (1 fold. col. in pocket) ;24 cm.,
- Hem, John David, 1968, Graphical methods for studies of aqueous aluminum hydroxide, fluoride, and sulfate complexes: U.S. GPO, Water Supply Paper 1827-B, iv, 33 p. :ill. ;24 cm.,
- Keech, Charles Franklin; Dreeszen, V. H., 1968, Geology and ground-water resources of Fillmore County, Nebraska: U.S. G.P.O., Water Supply Paper 1839-L, iv, 27 p. :ill., maps ;24 cm.,
- Konizeski, Richard L.; McMurtrey, R. G.; Brietkrietz, Alex, 1968, Geology and ground-water resources of the Deer Lodge Valley, Montana: U.S. Govt. Print. Off., Water Supply Paper 1862, iv, 55 p. :illus., maps (2 fold. col. in pocket) ;24 cm.,
- Kunkle, George R., 1968, A hydrogeologic study of the ground-water reservoirs contributing base runoff to Four Mile Creek, east-central Iowa: U.S. G.P.O., Water Supply Paper 1839-O, iv, 41 p. :ill., maps ;24 cm.,
- Love, S. K., 1968, Quality of surface waters of the United States, 1950. Parts 7 and 8, lower Mississippi River Basin and western Gulf of Mexico basins: U.S. Govt. Print. Off., Water Supply Paper 1188, ix, 446 p. :tables ;25 cm.,
- Love, S. K., 1968, Quality of surface waters of the United States, 1960, Parts 1 and 2 North Atlantic Slope Basins and South Atlantic Slope and Eastern Gulf of Mexico Basins: U.S. Government Printing Office, Water Supply Paper 1741, xi, 418 p. :ill. ;24 cm.,
- Love, S. K., 1968, Quality of surface waters of the United States, 1960 parts 3 and 4, Ohio River Basin and St. Lawrence River basin: U.S. Govt. Print. Off., Water Supply Paper 1742, x, 309 p.,
- Love, S. K., 1968, Quality of surface waters of the United States, 1960 parts 7 and 8, lower Mississippi river basin and western gulf of Mexico basins: U.S. Govt. Print. Off., Water Supply Paper 1744, xi, 548 p.,
- Love, S. K., 1968, Quality of surface waters of the United States, 1960 Parts 9-14, Colorado River basin to pacific slope basins in Oregon and lower Columbia river basin: U.S. Print. Off., Water Supply Paper 1745, xvii, 607 p.,
- Love, S. K., 1968, Quality of surface waters for irrigation, Western states, 1960: U.S. G.P.O., Water Supply Paper 1746, viii, 152 p. :ill., map ;24 cm.,
- Love, S. K., 1968, Quality of surface waters of the United States 1961, Parts 3 and 4, Ohio River basin and St. Lawrence River basin: U.S. Govt. Print. Off., Water Supply Paper 1882, x, 312 p. :ill. ;24 cm.,
- Love, S. K., 1968, Quality of surface waters for irrigation, western states 1969: U.S. Govt. Print. Off., Water Supply Paper 1886, viii, 154 p.,
- Martens, Lawrence A., 1968, Flood inundation and effects of urbanization in Metropolitan Charlotte North Carolina: U.S. Govt. Print. Off., Water Supply Paper 1591-C, 1 v. (issued as seperate chapters) :ill. ;24 cm. ;60 p.,
- Matthai, H. F., 1968, Magnitude and frequency of floods in the United States, Part 6-B, Missouri River basin below Sioux City, Iowa: U.S. Govt. Print. Off., Water Supply Paper 1680, xviii, 491 p. :map (1 fold. col. in pocket), charts ;24 cm.,
- McGuinness, Charles Lee, 1968, Ground-water levels in the United States, 1961-65, northwestern states: U.S. Govt. Print. Off., Water Supply Paper 1845, v, 199 p.,
- McGuinness, Charles Lee, 1968, Ground-water levels in the United States, 1961-65, southwestern States: U.S. Govt. Print. Off., Water Supply Paper 1855, 125 p.,
- Miller, Raymond E.; Johnston, R. H.; Olowu, J. A. I.; Uzoma, J. U., 1968, Ground-water hydrology of the Chad Basin in Bornu and Dikwa Emirates, northeastern Nigeria, with special emphasis on the flow life of the artesian system: U.S. Govt. Print. Off., Water Supply Paper 1757-I, iv, 48 p.,
- Mitten, Hugh T.; Rosene, Philip G. Scott; Chester H., 1968, Chemical quality of surface waters in Devils Lake basin North Dakota, 1952-60: U.S. G.P.O., Water Supply Paper 1859-B, iv, 42 p. :ill. ;24 cm.,
- Mower, R. W.; Feltis, R. D., 1968, Ground-water hydrology of the Sevier Desert, Utah: U.S. Dept. of the Interior, Water Supply Paper 1854, v, 75 p. :illus., maps ;24 cm.,
- Muir, K. S., 1968, Ground-water reconnaissance of the Santa Barbara-Montecito area, Santa Barbara County, California: U.S. G.P.O., Water Supply Paper 1859-A, iv, 28 p. :ill. ;24 cm.,
- Mundorff, J. C., 1968, Fluvial sediment in the drainage area of K-79 reservoir Kiowa Creek basin, Colorado: U.S. Govt. Print. Off., Water Supply Paper 1798-D, iv, 26 p. :tables, illus., diagrs., map ( 1 fold. in pocket) ;24 cm.,
- Newcome, Roy, Jr.; Shattles, Donald E.; Humphreys, Carney P., Jr., 1968, Water for the growing needs of Harrison County, Mississippi: Geological Survey; for sale by the Supt. of Docs.] U.S. Govt. Print. Off., Water Supply Paper 1856, vi, 106 p. :illus., maps. ;24 cm.,
- Patterson, James L.; Gamble, Charles R., 1968, Magnitude and frequency of floods in the United States, Part 5, Hudson Bay and Upper Mississippi River Basins: U.S. Govt. Print. Off., Water Supply Paper 1678, xix, 546 p.,
- Patterson, James Lee, 1968, Storage requirements for Arkansas streams: U.S. G.P.O., Water Supply Paper 1859-G, 36 p. :ill. (1 col.) ;24 cm.,
- Phillips, Kenneth N.; Van Denburgh, A. S., 1968, Hydrology of Crater, East and Davis Lakes, Oregon; with section on Chemistry of the Lakes: U.S. G.P.O., Water Supply Paper 1859-E, iv, 60 p. :ill. ;24 cm.,
- Richardson, Donald; Bingham, J. W.; Madison, R. J.; Williams, R., 1968, Water resources of King County, Washington: U.S. Govt. Print. Off., Water Supply Paper 1852, v, 74 p. :illus., maps (2 fold. col. in pocket) ;24 cm.,
- Rodis, Harry G.; Hassan, Abdulla; Wahadan, Lutfi, 1968, Ground-water geology of Kordofan Province, Sudan: U.S. G.P.O., Water Supply Paper 1757-J, iv, 48 p. :ill., maps ;24 cm.,
- Rodis, Harry G.; de Castro Araujo, Jonas Maria., 1968, Ground-water resources of the Acu Valley, Rio Grande Norte, Brazil: U.S. G.P.O., Water Supply Paper 1663-C, iv, 34 p. :ill. ;24 cm.,
- Rostvedt, J. O., 1968, Summary of floods in the United States during 1962: U.S. Dept. of the Interior, Geological Survey ; Water Supply Paper 1820, vii, 134 p. :ill., maps ;24 cm.,
- Rostvedt, J. O. and others, 1968, Summary of floods in the United States during 1963: U.S. Dept. of the Interior, Geological Survey ; Water Supply Paper 1830-B, vi, 120 p. :ill. ;24 cm.,
- Rsenshein, J. S.; Gonthier, Joseph B.; Allen, William B., 1968, Hydrologic characteristics and sustained yield of principal ground-water units, Potowomut-Wickford area, Rhode Island: U.S. Govt. Print. Off., Water Supply Paper 1775, iv, 38 p. :illus., maps (part col.) ;24 cm.,
- Schneider, William Joseph, 1968, Water data for metropolitan areas a summary of data from 222 areas in the United States: U.S. Dept. of the Interior, Geological Survey; for sale by the Supt. of Docs., U.S. Govt. Print. Off., Water Supply Paper 1871, v, 397 p. :illus., maps. ;24 cm.,
- Scott, Kevin M.; Ritter, John R.; Knott, J. M., 1968, Sedimentation in the Piru Creek watershed, southern California: U.S. G.P.O., Water Supply Paper 1798-E, vi, 48 p. :ill., maps ;24 cm.,
- Swarzenski, W. V., 1968, Fresh and saline ground-water zones in the Punjab region, West Pakistan: U.S. G.P.O., Water Supply Paper 1608-I, iii, 24 p. :ill. ;24 cm.,
- Thompson, T. H., 1968, Determination of discharge during pulsating flow: U.S. Govt. Print. Off., Water Supply Paper 1869-D, 22 p.,
- Tice, Richard H., 1968, Magnitude and frequency of floods in the United States, Part 1-B, North Atlantic Slope Basins, New York to York River: U.S. Govt. Printing Office, Water Supply Paper 1672, xvii, 585 p. :ill, map (fold., color) ;24 cm.,
