- Allen, Howard E.; Noehre, Allen W., 1973, Floods in Marengo north quadrangle, northeastern Illinois: Hydrologic Atlas 495, 1 map :col. ;58 x 43 cm., folded in envelope 30 x 24 cm.,
- Allen, Howard E.; Noehre, Allen W., 1973, Floods in Harvard quadrangle, northeastern Illinois: Hydrologic Atlas 496, col. map ;57 x 43 cm. fold. in envelope 30 x 24 cm.,
- Bayne, Charles K., 1973, Geohydrology of Doniphan County, northeastern Kansas: Hydrologic Atlas 462, 1 col. map. ;on sheet 95 x 103 cm. fold to 19 x 25 cm. +text (21 leaves : ill., maps ; 29 cm.),
- Brackley, Richard A.; Fleck, William B.; Meyer, Walter Richard, 1973, Hydrology and water resources of the Neponset and Weymouth River basins, Massachusetts: Hydrologic Atlas 484, 3 col. maps ;93-125 x 88-99 cm.,
- Broussard, W. L.; Anderson, H. W.; Farrell, D. F., 1973, Water resources of the Cottonwood River watershed, southwestern Minnesota: Hydrologic Atlas 466, 12 col. maps on 3 sheets ;99 x 107 cm. fold. in envelope 30 x 24 cm.,
- Busch, W. F.; Shaw, L. C., 1973, Extent and frequency of floods on Schuylkill River near Norristown, Pennsylvania: Hydrologic Atlas 483, 1 map :col. ;56 x 117 cm., on sheet 91 x 124 cm., folded in envelope 30 x 24 cm.,
- Collings, M. R.; Higgins, G. T., 1973, Stream temperatures in Washington state: Hydrologic Atlas 385, 7 maps of two sheets :col. ;101 x 101 cm. or smaller.,
- Darmer, Kenneth I.; Wagner, Lloyd A., 1973, Flood of June 1972 at Elmira, New York: Hydrologic Atlas 518, 1 map.,
- Darmer, Kenneth I.; Wagner, Lloyd A., 1973, Flood of June 1972 at Corning, New York: Hydrologic Atlas 519, 1 map.,
- Flippo, Herbert N.; Lenfest, Leslie W., 1973, Flood of June 1972 in Wilkes-Barre Area, Pennsylvania: Hydrologic Atlas 523, 1 col. map ;on sheet 92 x 95 cm. folded to 19 x 26 cm.,
- Gann, E. E.; Harvey, Edward Joseph, 1973, Water resources of northwestern Missouri: Hydrologic Atlas 444, 4 col. sheets of maps ;90 x 104 cm. fold. to 27 x 17 cm.,
- Gosling, Arthur W.; Pashley, Emil Frederick, 1973, Water resources of the Yellowstone River Valley, Billings to Park City, Montana: Hydrologic Atlas 454, 1 map on two sheets.,
- Grant, R. Stephen; Duerk, Marvin D., 1973, Floods in Capron quadrangle, northeastern Illinois: Hydrologic Atlas 498, col. map ;57 x 43 on sheet 77 x 112 cm. fold. in envelope 30 x 24 cm.,
- Hansen, Bruce P.; Toler, L. G.; Gay, Frederick B., 1973, Hydrology and water resources of the Hoosic River Basin, Massachusetts: Hydrologic Atlas 481, 2 col. maps ;80 x 107 cm.,
- Helgesen, John O., 1973, Water resources of the Kettle River watershed, east-central Minnesota: Hydrologic Atlas 437, 24 maps on 4 sheets :col. ;90x120 cm. fold. in envelope 30x24 cm.,
- Hindall, S. M.; Skinner, Earl L., 1973, Water resources of Wisconsin, Pecatonica-Sugar River basin: Hydrologic Atlas 453, 19 maps on 3 sheets :some col. ;28 x 55 cm. or smaller, sheets 94 x 116 cm. or smaller, each sheet folded to 30 x 19 cm. or smaller, in envelope 31 x 24 cm.,
- Hodson, Warren Gayler; Pearl, Richard Howard; Druse, Stanley A., 1973, Water resources of the Powder River basin and adjacent areas, northeastern Wyoming: Hydrologic Atlas 465, 4 col. maps on 4 sheets ;105 x 144 cm. or smaller fold. in envelope 30 x 24 cm.,
- Hopkins, William B., 1973, Water resources of the northern Cheyenne Indian reservation and adjacent area, southeastern Montana: Hydrologic Atlas 468, 1 map on two sheets.,
- Kister, Lester Ray, 1973, Quality of the ground water in the lower Colorado River region, Arizona, Nevada, New Mexico, and Utah: Hydrologic Atlas 478, 2 maps :col. ;on 2 sheets 103 x 93 cm. folded to 26 x 21 cm. in envelope 30 x 24 cm.,
- Larimer, Owen J., 1973, Flood of June 9-10, 1972, at Rapid City, South Dakota: Hydrologic Atlas 511, 1 map :col. ;95 x 100 cm. folded in envelope 30 x 24 cm.,
- Lowry, Marlin E.; Rucker, Samuel J., IV; Wahl, Kenneth L., 1973, Water resources of the Laramie, Shirley, Hanna basins and adjacent areas, southeastern Wyoming: Hydrologic Atlas 471, 10 col. maps on 4 sheets ;95 x 100 cm. or smaller fold. in envelope 30 x 24 cm.,
- McPherson, Benjamin F., 1973, Vegetation map of southern parts of subareas A and C, Big Cypress Swamp, Florida: Hydrologic Atlas 492, 1 map.,
- Miller, Early M.; Walker, Patrick N., 1973, Flood of October 1972 at Petersburg and Colonial Heights, Virginia: Hydrologic Atlas 505, 1 map.,
- Morton, Robert B.; Goemaat, R. L., 1973, Reconnaissance of the water resources of Beaver County, Oklahoma: Hydrologic Atlas 450, 4 col. maps on three sheets ;44 x 68 cm. or smaller.,
- Mycyk, Roman T.; Grant, R. Stephen., 1973, Floods in Garden Prairie quadrangle, northeastern Illinois: Hydrologic Atlas 497, col. map ;58 x 43 cm. fold. in envelope 30 x 24 cm.,
- Mycyk, Roman T.; Walter, Gerald L.; McDonald, Billie L., 1973, Floods in Big Rock quadrangle, northeastern Illinois: Hydrologic Atlas 472, 1 map :col. ;69 x 45 cm. on sheet 69 x 115 cm.,
- Nowlin, Jon O., 1973, Water resources of the Clinton River basin, southeastern Michigan: Hydrologic Atlas 469, 7 col. maps on 2 sheets ;97 x 117 cm. fold. in envelope 30 x 24 cm.,
- Oakes, Edward L.; Hamilton, Louis J., 1973, Water resources of Wisconsin: Menominee-Oconto-Peshtigo River basin: Hydrologic Atlas 470, 17 col. maps on 4 sheets ;87 x 114 cm. fold. in envelope 30 x 24 cm.,
- Page, Leland Vernon; Shaw, L. C., 1973, Floods of June 1972 in the Harrisburg area, Pennsylvania: Hydrologic Atlas 530, col. map ;110 x 96 cm. fold. in envelope 30 x 24 cm.,
- Page, R. W., 1973, Base of fresh ground water (approximately 3,000 micromhos) in the San Joaquin Valley, California: Hydrologic Atlas 489, 1 map.,
- Pettijohn, Robert A.; Davis, L. G., 1973, Water resources of the Maumee River basin, northeastern Indiana: Hydrologic Atlas 493, 17 col. maps on 3 sheets ;98 x 103 cm. fold. in envelope 30 x 24 cm.,
- Prescott, Glenn C., 1973, Ground-water favorability and surficial geology of the lower St. John River Valley, Maine: Hydrologic Atlas 485, col. map ;67 x 109 cm. fold. in envelope 30 x 24 cm.,
- Prescott, Glenn C., 1973, Ground-water favorability and surficial geology of parts of the Meduxnekeag River and Prestile Stream basins, Maine: Hydrologic Atlas 486, col. map ;136 x 27 cm. on sheet 142 x 71 cm. fold. in envelope 30 x 24 cm.,
- Price, Don; Waddell, K. M., 1973, Selected hydrologic data in the upper Colorado River basin: Hydrologic Atlas 477, 9 col. maps on 2 sheets ;92 x 121 cm. fold. in envelope 30 x 24 cm.,
- Robison, J. H., 1973, Availability of ground water in the Grants Pass area, Josephine County, Oregon: Hydrologic Atlas 480, 2 col. maps ;70 x 76 cm. fold in envelope 23 x 31 cm.,
- Runner, Gerald S.; Friel, Eugene A., 1973, Floods at Martinsburg and vicinity, West Virginia: Hydrologic Atlas 427, 1 map.,
- Sapik, D. B.; Goemaat, R. L., 1973, Reconaissance of the ground-water resources of Cimarron County, Oklahoma: Hydrologic Atlas 373, 3 col. maps ;51 x 83 cm. or smaller.,
- Sedam, Alan C., 1973, Hydrogeology of the Pottsville Formation in northeastern Ohio: Hydrologic Atlas 494, 8 maps : col. ;on 2 sheets 89 x 116 cm. and 97 x 112 cm. fold. in envelope 30 x 24 cm.,
- Skinner, Earl L.; Borman, R. G., 1973, Water resources of Wisconsin--Lake Michigan basin: Hydrologic Atlas 432, 15 maps on 4 sheets :col. ;39 x 38 cm. or smaller, sheets 82 x 119 cm., each sheet folded to 30 x 20 cm., in envelope 30 x 24 cm.,
- Swallow, L. A.; Fogarty, D. J., 1973, Flood of March 1968 on the Ipswich River, Massachusetts: Hydrologic Atlas 482, 2 col. maps on 2 sheets 84 x 104 cm. fold. in envelope 30 x 24 cm.,
- Swallow, L. A.; Wood, G. K., 1973, Flood of March 1968 on the Neponset River, Massachusetts: Hydrologic Atlas 500, col. map on sheet ;108 x 104 cm. fold. in envelope 30 x 24 cm.,
- Tate, Charles H., 1973, Water resources of the upper Wabash River basin, northeastern Indiana: Hydrologic Atlas 433, 11 maps on 3 sheets :col. ;55 x 64 cm. or smaller, sheets 76 x 105 cm. folded in envelope 30 x 24 cm.,
- Ushijima, Thomas M.; Ewart, Charles J., 1973, Floods in Punaluu-Hauula area, Oahu, Hawaii: Hydrologic Atlas 473, col. map ;69 x 65 cm. fold. in envelope 30 x 24 cm.,
- Ward, John R., 1973, Geohydrology of Atchison County, Northeastern Kansas: Hydrologic Atlas 467, 2 maps :col. ;42 x 83 cm. +text (22 leaves : col. maps ; 29 cm.),
- Whitcomb, Harold A., 1973, Ground-water resources of the Ashuelot River basin, southwestern New Hampshire: Hydrologic Atlas 441, 1 map on two sheets.,
- Williams, John R.; Farrell, Donald F.; Willey, Richard E., 1973, Water resources of the Taunton River basin, southeastern Massachusetts: Hydrologic Atlas 460, 1 map on three sheets.,
- Young, H. L.; Borman, R. G., 1973, Water resources of Wisconsin--Trempealeau-Black River basin: Hydrologic Atlas 474, 16 maps on 4 sheets :col. ;26 x 16 cm. or smaller, sheets 95 x 119 cm. or smaller, each sheet folded to 30 x 23 cm. or smaller, in envelope 31 x 24 cm.,
- Young, H. L.; Hindall, S. M., 1973, Water resources of Wisconsin--St. Croix River basin: Hydrologic Atlas 451, 4 maps :col. ;on 4 sheets 92 x 107 cm. or smaller folded in envelope 30 x 24 cm.,
