- Anderson, H. W., 1976, Water resources of the Des Moines River Watershed, southwestern Minnesota: Hydrologic Atlas 553, 12 maps on 2 sheets :both sides of first sheet, col. ;34 x 54 cm. and 18 x 26 cm., folded in envelope 30 x 24 cm.,
- Anderson, H. W., 1976, Water resources of the Rock River watershed, southwestern Minnesota: Hydrologic Atlas 555, 14 maps (part col.) on 3 sheets ;98 x 111 cm. or smaller fold. in envelope 30 x 24 cm.,
- Bartells, J. H.; Hubbard, Larry L., 1976, Teton Dam flood of June 1976, Rose quadrangle, Idaho: Hydrologic Atlas 578, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Bartells, J. H.; Hubbard, Larry L., 1976, Teton Dam flood of June 1976, Blackfoot quadrangle, Idaho: Hydrologic Atlas 579, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Brown, S. G., 1976, Preliminary maps showing ground-water resources in the Lower Colorado River region, Arizona, Nevada, New Mexico, and Utah: Hydrologic Atlas 542, 4 maps on 3 sheets :col. ;105 x 148 cm. or smaller fold. in envelope 30 x 24 cm.,
- Cox, Edward Riley, 1976, Water resources of northwestern Wyoming: Hydrologic Atlas 558, 5 col. maps on 3 sheets ;102 x 76 cm. or smaller fold. in envelope 30 x 24 cm.,
- Ericson, Donald W.; Lindholm, Gerald F.; Helgesen, John O., 1976, Water resources of the Rainy Lake watershed, northeastern Minnesota: Hydrologic Atlas 556, 13 maps on sheet :col. ;85 x 141 cm. folded in envelope 30 x 24 cm.,
- Gann, E. E.; Harvey, Edward Joseph; Miller, Don E., 1976, Water resources of south-central Missouri: Hydrologic Atlas 550, 19 maps on 4 sheets :col. ;127 x 108 or smaller fold. in envelope 30 x 24 cm.,
- Gill, Harold E.; Farlekas, George M.;, 1976, Geohydrologic maps of the Potomac-Raritan-Magothy aquifer system in the New Jersey Coastal Plain: Hydrologic Atlas 557, 9 maps :col. ;41 x 34 cm. on 2 sheets fold. in envelope 30 x 24 cm.,
- Harenberg, W. A.; Bigelow, B. B., 1976, Teton Dam flood of June 1976, Moody quadrangle, Idaho: Hydrologic Atlas 568, 1 map :col. ;58 x 42 cm., folded in envelope 30 x 24 cm.,
- Harenberg, W. A.; Bigelow, B. B., 1976, Teton Dam flood of June 1976, Rexburg quadrangle, Idaho: Hydrologic Atlas 569, 1 map :col. ;58 x 42 cm., folded in envelope 30 x 24 cm.,
- Helgesen, John O.; Lindholm, Gerald F.; Ericson, Donald W., 1976, Water resources of the Little Fork River watershed, northeastern Minnesota: Hydrologic Atlas 551, 11 maps on sheet :col. ;103 x 132 cm. fold. in envelope 30 x 24 cm.,
- Hubbard, Larry L.; Bartells, J. H., 1976, Teton Dam flood of June 1976, Firth quadrangle, Idaho: Hydrologic Atlas 577, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Hubbard, Larry L.; Bartells, J. H., 1976, Teton Dam flood of June 1976, Moreland quadrangle, Idaho: Hydrologic Atlas 580, 1 map :col. ;58 x 50 cm. fold. in envelope 30 x 24 cm.,
- Hubbard, Larry L.; Bartells, J. H., 1976, Teton Dam flood of June 1976, Pingree quadrangle, Idaho: Hydrologic Atlas 581, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Lindholm, Gerald F.; Helgesen, John O.; Ericson, Donald W., 1976, Water resources of the Big Fork River watershed, north-central Minnesota: Hydrologic Atlas 549, 13 maps on sheet :col. ;97 x 133 cm. fold. in envelope 30 x 24 cm.,
- Lowry, Marlin E.; Lowham, H. W.; Lines, Gregory C., 1976, Water resources of the Bighorn basin, northwestern Wyoming: Hydrologic Atlas 512, 2 maps :col. ;104 x 137 cm. and 98 x 130 cm. fold. in envelope 30 x 24 cm.,
- Matthai, Howard F.; Ray, H. A., 1976, Teton Dam flood of June 1976, Woodville quadrangle, Idaho: Hydrologic Atlas 576, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Prescott, Glenn C., 1976, Ground water favorability and surficial geology of the Portland area, Maine: Hydrologic Atlas 561, 1 map :col. ;106 x 81 cm.,
- Ray, H. A.; Bennett, C. Michael; Records, Andrew W., 1976, Teton Dam flood of June 1976, Deer Parks quadrangle, Idaho: Hydrologic Atlas 571, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Ray, H. A.; Bigelow, B. B., 1976, Teton Dam flood of June 1976, Rigby quadrangle, Idaho: Hydrologic Atlas 572, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Ray, H. A.; Bigelow, B. B., 1976, Teton Dam flood of June 1976, Lewisville quadrangle, Idaho: Hydrologic Atlas 573, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Ray, H. A.; Matthai, Howard Frederick, 1976, Teton Dam flood of June 1976, Idaho Falls North quadrangle, Idaho: Hydrologic Atlas 574, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Ray, H. A.; Matthai, Howard Frederick, 1976, Teton Dam flood of June 1976, Idaho Falls South quadrangle, Idaho: Hydrologic Atlas 575, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Ray, H. A.; Matthai, Howard Frederick; Thomas, Cecil Albert, 1976, Teton Dam flood of June 1976, Newdale quadrangle, Idaho: Hydrologic Atlas 565, 1 map :col. ;58 x 42 cm., folded in envelope 30 x 24 cm.,
- Thomas, Cecil Albert; Ray, H. A., 1976, Teton Dam flood of June 1976, Parker quadrangle, Idaho: Hydrologic Atlas 567, 1 map :col. ;58 x 50 cm., folded in envelope 30 x 24 cm.,
- Thomas, Cecil Albert; Ray, H. A.; Harenberg, W. A., 1976, Teton Dam flood of June 1976, Menan Buttes quadrangle, Idaho: Hydrologic Atlas 570, 1 map :col. ;58 x 42 cm. fold. in envelope 30 x 24 cm.,
- Thomas, Cecil Albert; Ray, H. A.; Matthai, Howard Frederick, 1976, Teton Dam flood of June 1976, St. Anthony quadrangle, Idaho: Hydrologic Atlas 566, 1 map :col. ;58 x 42 cm., folded in envelope 30 x 24 cm.,