- Barnes, Ivan; Kistler, R. W.; Mariner, R. H.; Presser, T. S., 1981, Geochemical evidence on the nature of the basement rocks of the Sierra Nevada, California: U.S. G.P.O. :
For sale by the Supt. of Doc., U.S. G.P.O., Water Supply Paper 2181, iii, 13 p. :ill. ;29 cm.,
- Feth, J. H., 1981, Chloride in natural continental water--A review: GPO, Water Supply Paper 2176, vi, 30 p. :ill., map ;28 cm.,
- Kimball, Briant A., 1981, Geochemistry of spring water, southeastern Uinta Basin, Utah and Colorado: G.P.O., Water Supply Paper 2074, iv, 30 p. :ill., maps ;24 cm.,
- Lee, Roger W., 1981, Geochemistry of water in the Fort Union formation of the northern Powder River basin, southeastern Montana: U.S. G.P.O. :
for sale by the Supt. of Docs., Water Supply Paper 2076, iv, 17 p. :ill., maps ;23 cm.,
- McDonald, M. G., 1981, Hydraulic characteristics of an underdrained irrigation circle, Muskegon County, wastewater disposal system, Michigan: U.S. Dept. of the Interior, Geological Survey, Water Supply Paper 2081, iii, 14 p. :ill. ;24 cm.,
- Muir, K. S.; Coplen, Tyler B., 1981, Tracing ground-water movement by using the stable isotopes of oxygen and hydrogen, upper Penitencia Creek alluvial fan, Santa Clara Valley, California: G.P.O., Water Supply Paper 2075, vi, 18 p. :ill., maps ;24 cm.,
- Puckett, Larry J., 1981, Dendroclimatic estimates of a drought index for northern Virginia: U.S. G.P.O., Water Supply Paper 2080, v, 39 p. : ill., maps ; 23 cm.,
- Schaefer, F. L.; Walker, Raymond L., 1981, Saltwater intrusion into the Old Bridge aquifer in the Keyport-Union Beach area of Monmouth County, New Jersey: G.P.O. ;
U.S. Geological Survey, Water Supply Paper 2184, vi, 21 p. :ill. (some col.), maps (some col.) ;22 x 28 cm.,
- Shen, John., 1981, Discharge characteristics of triangular-notch thin-plate weirs : studies of flow to water over weirs and dams: U.S. Geological Survey :For sale by Supt. of Docs., U.S. G.P.O., Water Supply Paper 1617-B, vii, 45 p. :ill. ;23 cm.,
- Waddell, Kidd M.; Contratto, P. Kay; Sumsion, C. T.; Butler J. R., 1981, Hydrologic reconnaissance of the Wasatch Plateau-Book Cliffs coal-fields area, Utah: U.S. G.P.O., Water Supply Paper 2068, v, 45 p. : ill., maps ; 23 cm.,
- Wyrick, Granville G.; Borchers, James W., 1981, Hydrologic effects of stress-relief fracturing in an Appalachian Valley: G.P.O., Water Supply Paper 2177, vii, 51 p. :ill. (some col.), maps (some col.) ;28 cm.,
