- Albee, Howard F.; Cullins, Henry L., 1975, Geologic map of the Alpine quadrangle, Bonneville County, Idaho, and Lincoln County, Wyoming: Geologic Quadrangle 1259, 1 map :col. ;58 x 42 cm.,
- Albee, Howard F.; Cullins, Henry L., 1975, Geologic map of the Poker Peak quadrangle, Bonneville County, Idaho: Geologic Quadrangle 1260, 1 map.,
- Amos, Dewey Harold, 1975, Geologic map of the Hardinsburg quadrangle, Breckinridge County, Kentucky: Geologic Quadrangle 1232, 1 map.,
- Bachman, George Odell, 1975, Geologic map of the Madrid quadrangle, Santa Fe and Sandoval Counties, New Mexico: Geologic Quadrangle 1268, 1 map :col. ;45 x 37 cm. fold. in envelope 30 x 24 cm.,
- Black, Douglas F. B., 1975, Geologic map of the Hedges quadrangle, east-central Kentucky: Geologic Quadrangle 1235, 1 map.,
- Christiansen, Robert L., 1975, Geologic map of the Norris Junction quadrangle, Yellowstone National Park, Wyoming: Geologic Quadrangle 1193, 1 map.,
- Christiansen, Robert L.; Blank, H. Richard, 1975, Geologic map of the Canyon Village quadrangle, Yellowstone National Park, Wyoming: Geologic Quadrangle 1192, 1 map :col. ;45 x 32 cm., on sheet 66 x 66 cm., folded in envelope 30 x 24 cm.,
- Churkin, Michael; Eberlein, G. Donald, 1975, Geologic map of the Craig C-4 quadrangle, Alaska: Geologic Quadrangle 1169, 1 map.,
- Clark, Lorin D.; Cannon, William F.; Klasner, J. S., 1975, Bedrock geologic map of the Negaunee SW quadrangle, Marquette County, Michigan: Geologic Quadrangle 1226, 1 map.,
- Cornwall, Henry Rowland; Krieger, Medora Louise Hooper, 1975, Geologic map of the Kearny quadrangle, Pinal County, Arizona: Geologic Quadrangle 1188, 1 map :col. ;58 x 48 cm. fold. in envelope 30 x 24 cm.,
- Cornwall, Henry Rowland; Krieger, Medora Louise Hooper, 1975, Geologic map of the Grayback quadrangle, Pinal County, Arizona: Geologic Quadrangle 1206, 1 map.,
- Cressman, Earle Rupert, 1975, Geologic map of the Waddy quadrangle, central Kentucky: Geologic Quadrangle 1255, 1 map.,
- Cressman, Earle Rupert, 1975, Geologic map of the Shelbyville quadrangle, Shelby County, Kentucky: Geologic Quadrangle 1258, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Dickinson, Kendell A., 1975, Geologic map of the Tilden quadrangle, McMullen County, Texas: Geologic Quadrangle 1246, 1 map :col. ;58 x 51 cm., folded in envelope 30 x 24 cm.,
- Englund, Kenneth John; Windolph, John F., 1975, Geologic map of the Olive Hill quadrangle, northeastern Kentucky: Geologic Quadrangle 1270, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x 24 cm.,
- Fairer, G. M., 1975, Geologic map of the Waverly quadrangle, Union and Henderson Counties, Kentucky: Geologic Quadrangle 1220, 1 map.,
- Fairer, G. M.; Norris, Ronald L.; Johnson, William D., 1975, Geologic map of the Beech Grove quadrangle, western Kentucky: Geologic Quadrangle 1230, 1 map :col. ;78 x 96 cm.,
- Gibbons, A. B., 1975, Geologic map of the Worthville quadrangle, north-central Kentucky: Geologic Quadrangle 1265, 1 map :col. ;57 x 45 cm. fold. in envelope 30 x 24 cm.,
- Gibbons, A. B.; Kohut, Joseph James; Weiss, Malcolm P., 1975, Geologic map of the New Richmond quadrangle, Kentucky-Ohio: Geologic Quadrangle 1228, 1 map.,
- Gildersleeve, Benjamin, 1975, Geologic map of the Cromwell quadrangle, Butler and Ohio Counties, Kentucky: Geologic Quadrangle 1250, 1 map.,
- Gildersleeve, Benjamin, 1975, Geologic map of the Ready quadrangle, western Kentucky: Geologic Quadrangle 1263, 1 map.,
- Hansen, Dan E., 1975, Geologic map of the Sebree quadrangle, Webster County, Kentucky: Geologic Quadrangle 1238, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Hedlund, David Carl; Olson, Jerry Chipman, 1975, Geologic map of the Powderhorn quadrangle, Gunnison and Saguache Counties, Colorado: Geologic Quadrangle 1178, 1 map :col. ;58 x 46 cm. on sheet 86 x 94 cm. folded to 26 x 22 cm. in envelope 30 x 24 cm.,
- Johnson, Robert Britten, 1975, Geologic map of the Galisteo quadrangle, Santa Fe County, New Mexico: Geologic Quadrangle 1234, 1 map.,
- Johnson, Ross B., 1975, Geologic map of the Rainsville quadrangle, Mora County, New Mexico: Geologic Quadrangle 1276, 1 map :col. ;58 x 47 cm. fold. in envelope 30 x 24 cm.,
- Johnson, William D.; Smith, Avery E., 1975, Geologic map of the Calhoun quadrangle, western Kentucky: Geologic Quadrangle 1239, 1 map.,
- Johnson, William D.; Smith, Avery E.; Fairer, G. M., 1975, Geologic map of the Morganfield quadrangle, Union County, Kentucky: Geologic Quadrangle 1269, 1 map :col. ;58 x 46 cm., on sheet 86 x 48 cm., folded in envelope 30 x 24 cm.,
- Kehn, Thomas M., 1975, Geologic map of the Sturgis quadrangle, western Kentucky: Geologic Quadrangle 1273, 1 map :col. ;57 x 46 cm. on sheet 86 x 94 cm. fold. in envelope 30 x 24 cm.,
- Kehn, Thomas M., 1975, Geologic map of the Bordley quadrangle, Union and Webster Counties, Kentucky: Geologic Quadrangle 1275, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Lewis, Richard Quintin, 1975, Geologic map of the Frazer quadrangle, Pulaski and Wayne Counties, Kentucky: Geologic Quadrangle 1223, 1 map.,
- Lockwood, John P.; Lydon, Phillip A., 1975, Geologic map of the Mount Abbot quadrangle, Central Sierra Nevada, California: Geologic Quadrangle 1155, 1 map :col. ;45 x 36 cm. +text (6 p.),
- Luft, Stanley Jeremie, 1975, Geologic map of the Berlin quadrangle, Bracken and Pendleton Counties, Kentucky: Geologic Quadrangle 1256, 1 map.,
- Luft, Stanley Jeremie, 1975, Geologic map of the Berry quadrangle, north-central Kentucky: Geologic Quadrangle 1284, 1 map :col. ;57 x 45 cm. fold. in envelope 30 x 24 cm.,
- Mackin, J. Hoover; Rowley, Peter D., 1975, Geologic map of the Avon SE quadrangle, Iron County, Utah: Geologic Quadrangle 1294, 1 map.,
- McDowell, Robert C., 1975, Geologic map of the Farmers quadrangle, east-central Kentucky: Geologic Quadrangle 1236, 1 map.,
- Moore, Frank Baker, 1975, Geologic map of the Frankfort West quadrangle, Franklin and Anderson Counties, Kentucky: Geologic Quadrangle 1221, 1 map.,
- Moore, Frank Baker, 1975, Geologic map of the Switzer quadrangle, north-central Kentucky: Geologic Quadrangle 1266, 1 map.,
- Moore, Frank Baker, 1975, Geologic map of the Magnolia quadrangle, central Kentucky: Geologic Quadrangle 1280, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Nelson, Arthur E., 1975, Bedrock geologic map of the Natick quadrangle, Middlesex and Norfolk Counties, Massachusetts: Geologic Quadrangle 1208, 1 map.,
- Nelson, Arthur E., 1975, Bedrock geologic map of the Framingham quadrangle, Middlesex and Worcester Counties, Massachusetts: Geologic Quadrangle 1274, 1 map :col. ;58 x 43 cm. on sheet 73 x 121 cm. fold. in envelope 30 x 24 cm.,
- Newell, Wayne L., 1975, Geologic map of the Frakes quadrangle and part of the Eagan quadrangle, southeastern Kentucky: Geologic Quadrangle 1249, 1 map :col. ;74 x 46 cm. fold. in envelope 30 x 24 cm.,
- Newell, Wayne L., 1975, Geologic map of the Barbourville quadrangle, Knox and Whitley Counties, Kentucky: Geologic Quadrangle 1254, 1 map.,
- O'Leary, Dennis W., 1975, Surficial geologic map of the Moodus quadrangle, Connecticut: Geologic Quadrangle 1205, 1 map.,
- Oldale, Robert N., 1975, Geologic map of the Cotuit quadrangle, Barnstable County, Cape Cod, Massachusetts: Geologic Quadrangle 1213, 1 map.,
- Oldale, Robert N., 1975, Geologic map of the Sandwich quadrangle, Barnstable County, Cape Cod, Massachusetts: Geologic Quadrangle 1222, 1 map.,
- Outerbridge, William F., 1975, Geologic map of the Austerlitz quadrangle, Clark and Bourbon Counties, Kentucky: Geologic Quadrangle 1245, 1 map.,
- Outerbridge, William F., 1975, Geologic map of the Wheelwright quadrangle, southeastern Kentucky: Geologic Quadrangle 1251, 1 map.,
- Pease, Maurice Henry, 1975, Surficial geologic map of the Stafford Springs quadrangle, Connecticut: Geologic Quadrangle 1216, 1 map.,
- Peper, John D.; Pease, Maurice Henry, 1975, Geologic map of the Westford quadrangle, Connecticut: Geologic Quadrangle 1214, 1 map.,
- Peterson, Warren Lee, 1975, Geologic map of the Fairfield quadrangle, central Kentucky: Geologic Quadrangle 1225, 1 map.,
- Peterson, Warren Lee, 1975, Geologic map of the Saint Catharine quadrangle, central Kentucky: Geologic Quadrangle 1252, 1 map.,
- Peterson, Warren Lee, 1975, Geologic map of the Chaplin quadrangle, central Kentucky: Geologic Quadrangle 1279, 1 map.,
- Philley, John Calvin; Hylbert, David Kent; Hoge, Harry P., 1975, Geologic map of the Soldier quadrangle, northeastern Kentucky: Geologic Quadrangle 1233, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Prostka, Harold J., 1975, Geologic map of the Tower Junction quadrangle, Yellowstone National Park, Wyoming and Montana: Geologic Quadrangle 1247, 1 map :col. ;44 x 32 cm., on sheet 76 x 91 cm., folded in envelope 30 x 24 cm.,
- Prostka, Harold J.; Ruppel, Edward Thompson; Christiansen, Robert L., 1975, Geologic map of the Abiathar Peak quadrangle, Yellowstone National Park, Wyoming and Montana: Geologic Quadrangle 1244, 1 map :col. ;45 x 32 cm. on sheet 64 x 83 cm. folded in envelope 30 x 24 cm.,
- Prostka, Harold J.; Smedes, Harry Wynn; Christiansen, Robert L., 1975, Geologic map of the Pelican Cone quadrangle, Yellowstone National Park and vicinity, Wyoming: Geologic Quadrangle 1243, 1 map :col. ;45 x 32 cm. on sheet 58 x 69 cm. in envelope 30 x 24 cm.,
- Rice, Charles L.; Newell, Wayne L., 1975, Geologic map of the Saxton quadrangle and part of the Jellico East quadrangle, Whitley County, Kentucky: Geologic Quadrangle 1264, 1 map :col. ;73 x 46 cm. fold. in envelope 30 x 24 cm.,
- Rice, Dudley D., 1975, Geologic map of the Helton quadrangle, southeastern Kentucky: Geologic Quadrangle 1227, 1 map.,
- Rioux, Robert Lester, 1975, Geologic map of the Upper Valley quadrangle, Caribou County, Idaho: Geologic Quadrangle 1194, 1 map.,
- Roehler, Henry W., 1975, Geologic map of the San Butte Rim SE quadrangle, Sweetwater County, Wyoming: Geologic Quadrangle 1231, 1 map.,
- Rowley, Peter D., 1975, Geologic map of the Enoch NE quadrangle, Iron County, Utah: Geologic Quadrangle 1301, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Schnabel, Robert Wayne, 1975, Geologic map of the New Hartford quadrangle, northwestern Connecticut: Geologic Quadrangle 1257, 1 map :col. ;58 x 43 cm. fold. in envelope 30 x 24 cm.,
- Soward, Kenneth S., 1975, Geologic map of the Rocky Reef quadrangle, Cascade County, Montana: Geologic Quadrangle 1240, 1 map.,
- Swadley, W. C., 1975, Geologic map of the Lawrenceville quadrangle, Grant and Owen Counties, Kentucky: Geologic Quadrangle 1204, 1 map.,
- Swadley, W. C., 1975, Geologic map of the Owenton quadrangle, Owen and Grant Counties, Kentucky: Geologic Quadrangle 1237, 1 map.,
- Taylor, Alfred R.; Lewis, Richard Quintin; Smith, J. Hiram, 1975, Geologic map of the Burnside quadrangle, south-central Kentucky: Geologic Quadrangle 1253, 1 map.,
- Taylor, Richard B., 1975, Geologic map of the Bottle Pass quadrangle, Grand County, Colorado: Geologic Quadrangle 1224, 1 map :col. ;58 x 45 cm., folded to 29 x 21 cm., in envelope 30 x 24 cm.,
- Trimble, Donald E., 1975, Geologic map of the Niwot quadrangle, Boulder County, Colorado: Geologic Quadrangle 1229, 1 map :col. ;58 x 45 cm. folded to 26 x 19 cm. in envelope 30 x 24 cm.,
- Volckmann, Richard P., 1975, Surficial geologic map of the Holliston quadrangle, Middlesex, Norfolk, and Worcester Counties, Massachusetts: Geologic Quadrangle 1217, 1 map.,
- Volckmann, Richard P., 1975, Surficial geologic map of the Medfield quadrangle, Norfolk and Middlesex Counties, Massachusetts: Geologic Quadrangle 1218, 1 map.,
- Wallace, Roberts Manning, 1975, Geologic map of the Shady Nook quadrangle, northeastern Kentucky: Geologic Quadrangle 1261, 1 map.,
- Weir, Gordon Whitney, 1975, Geologic map of the Owingsville quadrangle, Bath and Montgomery Counties, Kentucky: Geologic Quadrangle 1242, 1 map.,
- Weis, Paul L., 1975, Geologic map of the Scalf quadrangle, southeastern Kentucky: Geologic Quadrangle 1267, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
