- Allen, Howard E.; Noehre, A. W., 1969, Floods in Beecher East quadrangle, northeastern Illinois: Hydrologic Atlas 302, 1 map :col. ;58 x 44 cm., on sheet 79 x 112 cm.,
- Allen, Howard E.; Noehre, Allen W., 1969, Floods in Wilton Center Quadrangle, Northeastern Illinois: Hydrologic Atlas 304, 1 col. map ;58 x 44 cm., on sheet 79 x 134 cm.,
- Collings, M. R.; Wiesnet, Donald Richard; Fleck, William B., 1969, Water resources of the Millers River Basin, North-Central Massachusetts and Southwestern New Hampshire: Hydrologic Atlas 293, 4 col. maps ;64-78 x 106-122 cm.,
- Compiled by, Wilson, Alfonso; Iseri, Kathleen T., 1969, River discharge to the sea from the shores of the conterminous United States, Alaska, and Puerto Rico a contribution to the International Hydrological Decade: Hydrologic Atlas 282, 2 maps : col. ;84 x 102 cm. and 64 x 74 cm. on 2 sheets fold. in cover 31 x 25 cm. --,
- Cotter, R. D., 1969, Water resources of Wisconsin--Rock-Fox River basin: Hydrologic Atlas 360, 16 maps on 4 sheets :some col. ;31 x 64 cm. or smaller, each sheet folded to 26 x 21 cm., in envelope 31 x 24 cm.,
- Cronin, J. G., 1969, Ground water in the Ogallala formation in the southern high plains of Texas and New Mexico: Hydrologic Atlas 330, 4 sheets of col. maps ;sheets 84 x 76 cm. in folder 30 x 24 cm. + 9 p. accompanying text with bibliography.,
- Ellis, M. J.; Adolphson, D. G.; West, Robert E., 1969, Hydrology of a part of the Big Sioux drainage basin eastern South Dakota: Hydrologic Atlas 311, col. map ;on sheet 102 x 127 cm.,
- Emmett, L. F.; Jeffery, H. G., 1969, Reconnaissance of the ground-water resources of the Missouri River alluvium between Kansas City, Missouri and the Iowa border: Hydrologic Atlas 336, col. map ;on sheet 101 x 140 cm.,
- Emmett, Leo F.; Jeffery, H. G., 1969, Reconnaissance of the ground-water resources of the Missouri River alluvium between Jefferson City and Miami, Missouri: Hydrologic Atlas 340, 1 map.,
- Farlekas, George M., 1969, Floods in Upper Millstone River basin in vicinity of Hightstown, New Jersey: Hydrologic Atlas 359, 1 map.,
- Fields, Fred K., 1969, Floods in the Guayanilla-Yauco area, Puerto Rico: Hydrologic Atlas 414, 25 leaves :ill., maps ;28 cm.,
- Floyd, Edwin O., 1969, Ground-water resources of Craven County, North Carolina: Hydrologic Atlas 343, 1 map on two sheets.,
- Haire, William J., 1969, Floods on Little Buffalo Creek at West Jefferson, North Carolina: Hydrologic Atlas 331, 1 map.,
- Hannum, Charles Hugh, 1969, Floods on Levisa Fork in vicinity of Paintsville, Kentucky: Hydrologic Atlas 328, 1 map.,
- Hannum, Charles Hugh, 1969, Floods on Licking River in vicinity of Salyersville, Kentucky: Hydrologic Atlas 329, 1 map.,
- Hannum, Charles Hugh, 1969, Floods in Triplett Creek in vicinity of Morehead, Kentucky: Hydrologic Atlas 342, 1 map.,
- Hladio, Stephen, 1969, Floods on Susquehanna River at Oneonta, New York: Hydrologic Atlas 350, 1 map.,
- Hosman, R. L., 1969, Geohydrology of the coastal plain aquifers of Arkansas: Hydrologic Atlas 309, maps on sheet 99 x 136 cm. fold. to 30 x 24 cm.,
- Hughes, G. H., 1969, Hydrologic significance of 1966 flood levels at Lake Jackson near Tallahassee, Florida: Hydrologic Atlas 369, 1 col. map.,
- Keighton, W. B., 1969, Water quality in the Delaware estuary for two years of drought: 1965 and 1966, from Trenton, New Jersey to Reedy Island, Delaware: Hydrologic Atlas 335, 34 maps on two sheets :col. ;76 x 102 cm.,
- Knutilla, R. L., 1969, Water resources of the Belle River basin, southeastern Michigan: Hydrologic Atlas 317, 8 maps on 1 sheet :col. ;35 x 47 cm. and 17 x 24 cm., sheet 105 x 120 cm. folded in envelope 30 x 24 cm.,
- Knutilla, R. L., 1969, Water resources of the Pine River Basin, Southeastern Michigan: Hydrologic Atlas 327, 3 col. maps on 1 sheet ;91 x 91 cm. folded in envelope 30 x 24 cm.,
- Luzier, J. E., 1969, Ground-water occurrence in the Goldendale area, Klickitat County, Washington: Hydrologic Atlas 313, 1 map.,
- Maclay, Robert W.; Bidwell, L. E.; Winter, Thomas C., 1969, Water resources of the Buffalo River Watershed, West-central Minnesota: Hydrologic Atlas 307, col. maps on 3 sheets ;97 x 90 cm. or smaller folded in envelope 30 x 24 cm.,
- Mayo, Ronald I.; Webber, Earl E., 1969, Floods at Amesville, Ohio: Hydrologic Atlas 324, 1 map.,
- Miller, E. M., 1969, Flood of August 1969, Bon Air quadrangle, Richmond, Virginia: Hydrologic Atlas 409, 1 map :col. ;58 x 46 cm., on sheet 76 x 78 cm.,
- Miller, E. M., 1969, Flood of August 1969, Richmond quadrangle, Richmond, Virginia: Hydrologic Atlas 410, 1 map :col. ;58 x 46 cm., on sheet 76 x 77 cm.,
- Miller, E. M., 1969, Flood of August 1969, Drewrys Bluff quadrangle, Richmond, Virginia: Hydrologic Atlas 411, 1 map :col. ;58 x 46 cm., on sheet 76 x 77 cm.,
- Mycyk, Roman T.; Walter, Gerald L., 1969, Floods in Richmond Quadrangle, Northeastern Illinois: Hydrologic Atlas 303, 1 col. map ;58 x 43 cm., on sheet 79 x 112 cm.,
- Novitzki, R. P.; Van Voast, Wayne A.; Jerabek, L. A., 1969, Water resources of the Yellow Medicine River Watershed, Southwestern Minnesota: Hydrologic Atlas 320, col. maps on 3 sheets ;91 x 91 cm. or smaller folded in envelope 30 x 24 cm.,
- Petri, Lester Reinhold, 1969, Travel of solutes in the lower Missouri River: Hydrologic Atlas 332, 1 col. map ;87 x 119 cm.,
- Pollock, Samuel J.; Farrell, Donald F.; Caswell, William W., 1969, Water resources of the Assabet River basin, central Massachusetts: Hydrologic Atlas 312, 1 map :col. ;96 cm.,
- Prescott, Glenn C., 1969, Ground-water favorability areas and surficial geology of the lower Kennebec River basin, Maine: Hydrologic Atlas 337, col. map ;95 x 112 cm. fold. in envelope 30 x 24 cm.,
- Rau, Jon L., 1969, Hydrogeology of the Berea and Cussewago Sandstones in northeastern Ohio: Hydrologic Atlas 341, 4 maps on 2 sheets :col. ;33 x 61 cm. and 25 x 20 cm., sheets 84 x 112 cm. folded in envelope 30 x 24 cm.,
- Ropes, L. H., 1969, Ground-water resources of the St. James area, South-central Minnesota: Hydrologic Atlas 334, col. maps on 1 sheet ;64 x 95 cm. folded in envelope 30 x 24 cm.,
- Ropes, Lev; Brown, Richmond F.; Wheat, D. E., 1969, Reconnaissance of the Red Lake River, Minnesota: Hydrologic Atlas 299, 1 map on 2 sheets.,
- Runner, Gerald S., 1969, Flood of August 1969 on Maury River at Buena Vista, Virginia: Hydrologic Atlas 412, 1 photo mosaic (controlled) :ill. ;58 x 22 cm. on sheet 70 x 52 cm. folded in packet 31 x 24 cm.,
- Souders, Vernon L.; Shaffer, F. Butler, 1969, Water resources of Antelope County, Nebraska: Hydrologic Atlas 316, 5 maps on 3 sheets :col. ;46 x 31 cm. and 23 x 16 cm., sheets 66 x 119 cm., folded in envelope 32 x 24 cm.,
- Vorhis, Robert C., 1969, Geohydrology of Sumter, Dooly, Pulaski, Lee, Crisp and Wilcox Counties, Georgia: Hydrologic Atlas 435, 2 col. maps ;on sheets 64 x 90 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Logtown quadrangle, Mississippi: Hydrologic Atlas 395, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, English Lookout quadrangle, Louisiana-Mississippi: Hydrologic Atlas 396, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Kiln quadrangle, Mississippi: Hydrologic Atlas 397, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Waveland-Grand Island Pass quadrangles, Mississippi: Hydrologic Atlas 398, 1 map :col. ;on sheet 56 x 112 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Vidalia quadrangle, Mississippi: Hydrologic Atlas 399, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Bay St. Louis quadrangle, Mississippi: Hydrologic Atlas 400, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Gulfport NW quadrangle, Mississippi: Hydrologic Atlas 401, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Pass Christian quadrangle, Mississippi: Hydrologic Atlas 402, 1 map :col. ;on sheet 76 x 84 cm., folded in envelope 30 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the gulf coast, Gulfport North-South quadrangles, Mississippi: Hydrologic Atlas 403, 1 map.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August, 1969, along the Gulf Coast, Biloxi quadrangle, Mississippi: Hydrologic Atlas 404, 1 map :col. ;58 x 50 cm., on sheet 76 x 84 cm., folded in envelope 32 x 24 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Ocean Springs-Deer Island quadrangles, Mississippi: Hydrologic Atlas 405, 1 map :col. ;76 x 50 cm., on sheet 96 x 83 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Pascagoula quadrangle, Mississippi: Hydrologic Atlas 406, 1 map :col. ;44 x 38 cm., on sheet 63 x 70 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Kreole-Grand Bay SW quadrangles, Mississippi-Alabama: Hydrologic Atlas 407, 1 map :col. ;92 x 50 cm., on sheet 112 x 71 cm.,
- Wilson, K. V.; Hudson, James W., 1969, Hurricane Camille tidal floods of August 1969 along the Gulf Coast, Grand Bay quadrangle, Alabama: Hydrologic Atlas 408, 1 map :col. ;57 x 50 cm., on sheet 76 x 84 cm.,
- Winter, Thomas C.; Bidwell, L. E.; Maclay, R. W., 1969, Water resources of the Otter Tail River Watershed, West-central Minnesota: Hydrologic Atlas 296, col. maps on 4 sheets ;101 x 86 cm. or smaller folded in envelope 30 x 24 cm.,
