- Barnes, Harry Hawthorne; Bogart, Dean Butler, 1961, Floods of September 6, 1960, in eastern Puerto Rico: United States Government Printing Office, Circular 451, 13 p. :ill. ;27 cm.,
- Barnes, Harry Hawthorne; Somers, William Philip, 1961, Floods of February-March 1961 in the southeastern States: [U.S. Geological Survey], Circular 452, iii, 21 p. :illus., maps, diagrs., tables. ;27 cm.,
- Conover, Clyde Stuart, 1961, Ground-water resources--Development and management: U.S. Dept. of the Interior, Geological Survey, Circular 442, 7 p. ;27 cm.,
- Durum, W. H.; Haffty, Joseph., 1961, Occurrence of minor elements in water: [U.S. Geological Survey], Circular 445, iii, 11 p. :maps, diagrs., tables. ;27cm.,
- Hale, Malcolm D.; Hoggatt, Richard Earl, 1961, Floods of January-February 1959 in Indiana: Geological Survey, Circular 440, 23 p. :ill. ;27 cm.,
- MacKichan, K. A.; Kammerer, J. C., 1961, Estimated use of water in the United States, 1960: U.S. Dept. of the Interior, Geological Survey, Circular 456, 44 p. :ill., maps ;27 cm.,
- MacKichan, Kenneth Allen; Kammerer, John Craig., 1961, Preliminary estimate of water used in southeast river basins, 1960: [U.S. Geological Survey], Circular 449, iii, 10 p. :map, tables. ;27 cm.,
- Randall, Lois E., 1961, Annotated bibliography of water-use data, 1960: U.S. Department of the Interior, Geological Survey, Circular 455, iii, 14 p.; 28 cm.,
- Richardson, E. V.; Simons, Daryl B.; Posakony, G. J., 1961, Sonic depth sounder for laboratory and field use: U.S. Dept. of the Interior, Geological Survey, Circular 450, 7 p. :graphs ;27 cm.,
- Robison, F. Luman, 1961, Floods in New York, magnitude and frequency: [U.S. Geological Survey], Circular 454, iii, 10 p. :maps, diagrs. ;27 cm.,
- Rodis, Harry G., 1961, Availability of ground water in Lyon County, Minnesota: [U.S. Geological Survey], Circular 444, iii, 7 p. :map, tables. ;27cm.,
- Schumm, Stanley Alfred; Hadley, R. F., 1961, Progress in the application of landform analysis in studies of semiarid erosion: [U.S. Geological Survey], Circular 437, iii, 14 p. :diagrs., profile. ;27cm.,
- Searcy, James K.; Davis, Luther C., 1961, Time of travel of water in the Potomac River, Cumberland to Washington: [U.S. Geological Survey], Circular 438, iii, 12 p. :map, diagrs., tables. ;27cm.,
- Shuter, Eugene; Johnson, A. I., 1961, Evaluation of equipment for measurement of water level in wells of small diameter: U.S. Dept. of the Interior, Geological Survey, Circular 453, iii, 12 p. :ill. ;27 cm.,
- Steacy, Robert E., 1961, Time of travel of water in the Ohio River, Pittsburgh to Cincinnati: [U.S. Geological Survey], Circular 439, iii, 14 p. :map, diagrs., tables. ;27cm.,
- Thomas, H. E., 1961, Ground water and the law: U.S. Dept. of the Interior, Geological Survey, Circular 446, 6 p. ;27 cm.,
- Trumbull, James, 1961, Selected sources of information on U.S. and world energy resources: An annotated bibliography: [U.S. Geological Survey], Circular 447, 8 p. ;27cm.,
- Weld, Betsy A.; Asselstine, Erwin S.; Johnson, Arthur., 1961, Reports and maps of the Geological Survey released only in the open files, 1960: U.S. Dept. of the Interior, Geological Survey, Circular 448, 15 p. ;26 cm.,
- West, Samuel Wilson, 1961, Availability of ground water in the Gallup area, New Mexico: [U.S. Geological Survey], Circular 443, iii, 21 p. :fold. map (in pocket) diagrs., tables. ;27 cm.,
