- Abbott, Jeffrey T., 1976, Geologic map of the Big Narrows quadrangle, Larimer County, Colorado: Geologic Quadrangle 1323, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x 24 cm.,
- Amos, Dewey Harold, 1976, Geologic map of the Garfield quadrangle, Breckinridge County, Kentucky: Geologic Quadrangle 1278, 1 map.,
- Amos, Dewey Harold, 1976, Geologic map of the Irvington quadrangle, Meade and Breckinridge Counties, Kentucky: Geologic Quadrangle 1331, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Barker, Fred; Wyant, Donald Gray, 1976, Geologic map of the Jefferson quadrangle, Park and Summit counties, Colorado: Geologic Quadrangle 1345, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x 24 cm.,
- Cressman, Earle Rupert, 1976, Geologic map of the Mount Eden quadrangle, central Kentucky: Geologic Quadrangle 1313, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x 24 cm.,
- Cressman, Earle Rupert, 1976, Geologic map of the Glensboro quadrangle, central Kentucky: Geologic Quadrangle 1355, 1 map :col. ;59 x 46 cm. fold. in envelope 30 x 24 cm.,
- Danilchik, Walter, 1976, Geologic map of the Hindman quadrangle, Knott County, Kentucky: Geologic Quadrangle 1308, 1 map :col. ;58 x 47 cm. fold. in envelope 30 x 24 cm.,
- Englund, Kenneth John, 1976, Geologic map of the Grahn quadrangle, Carter County, Kentucky: Geologic Quadrangle 1262, 1 map :col. ;58 x 45 cm. on sheet 73 x 106 cm. fold. in envelope 30 x 24 cm.,
- Gable, Dolores J.; Madole, Richard F., 1976, Geologic map of the Ward quadrangle, Boulder County, Colorado: Geologic Quadrangle 1277, 1 map :col. ;58 x 44 cm. on sheet 61 x 92 cm.,
- Gibbons, A. B., 1976, Geologic map of the Franklinton quadrangle, Henry County, Kentucky: Geologic Quadrangle 1330, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Gibbons, A. B.; Swadley, W. C., 1976, Geologic map of the New Liberty quadrangle, Owen and Henry counties, Kentucky: Geologic Quadrangle 1348, col. map ;58 x 46 cm. on sheet 77 x 102 cm. fold. in envelope 30 x 24 cm. --,
- Gildersleeve, Benjamin, 1976, Geologic map of the Welchs Creek quadrangle, Butler and Grayson Counties, Kentucky: Geologic Quadrangle 1339, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Green, Morris W., 1976, Geologic map of the Continental Divide quadrangle, McKinley County, New Mexico: Geologic Quadrangle 1338, 1 map :col. ;58 x 48 cm., folded in envelope 30 x 24 cm.,
- Haney, Donald C., 1976, Geologic map of the Cobhill quadrangle, east-central Kentucky: Geologic Quadrangle 1347, col. map ;58 x 46 cm. on sheet 74 x 94 cm. fold. in envelope 30 x 24 cm.,
- Hansen, Dan E., 1976, Geologic map of the Dixon quadrangle, Webster County, Kentucky: Geologic Quadrangle 1293, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Hansen, Dan E., 1976, Geologic map of the Sacramento quadrangle, western Kentucky: Geologic Quadrangle 1306, 1 map.,
- Hatch, Norman L.; Stanley, Rolfe S., 1976, Geologic map of the Blandford quadrangle, Hampden and Hampshire counties, Massachusetts: Geologic Quadrangle 1312, col. map ;58 x 44 cm. on sheet 87 x 102 cm. fold. in envelope 30 x 24 cm. --,
- Hinrichs, Edgar Neal; Rice, Charles L., 1976, Geologic map of the Kite quadrangle, southeastern Kentucky: Geologic Quadrangle 1317, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Hoge, Harry P.; Wigley, Perry Braswell; Shawe, Fred R., 1976, Geologic map of the Irvine quadrangle, Estill County, Kentucky: Geologic Quadrangle 1285, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Houston, Robert Stroud; Orbach, Clarence J., 1976, Geologic map of the Lake Owen quadrangle, Albany County, Wyoming: Geologic Quadrangle 1304, 1 map :col. ;58 x 44 cm., on sheet 79 x 102 cm., folded in envelope 30 x 24 cm.,
- Johnson, William D.; Norris, Ronald Lee, 1976, Geologic map of parts of the Uniontown and Wabash Island quadrangles, Union and Henderson Counties, Kentucky: Geologic Quadrangle 1291, 1 map.,
- Kepferle, Roy Clark, 1976, Geologic map of the Crestwood quadrangle, north-central Kentucky: Geologic Quadrangle 1342, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Kepferle, Roy Clark, 1976, Geologic map of the Mount Washington quadrangle, north-central, Kentucky: Geologic Quadrangle 1282, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Kepferle, Roy Clark, 1976, Geologic map of the Fisherville quadrangle, north-central Kentucky: Geologic Quadrangle 1321, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Koteff, Carl, 1976, Surficial geologic map of the Nashua north quadrangle, Hillsborough and Rockingham Counties, New Hampshire: Geologic Quadrangle 1290, 1 map :col. ;58 x 43 cm., on sheet 86 x 91 cm., folded in envelope 30 x 24 cm.,
- Lewis, Richard Quintin, 1976, Geologic map of the Savage quadrangle and part of the Moodyville quadrangle, Clinton and Wayne counties, Kentucky: Geologic Quadrangle 1318, 1 map :col. ;59 x 46 cm., folded in envelope 30 x 24 cm.,
- Lewis, Richard Quintin; Taylor, Alfred R., 1976, Geologic map of the Coopersville quadrangle, Wayne and McCreary Counties, Kentucky: Geologic Quadrangle 1315, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Lockwood, John P.; Bateman, Paul Charles, 1976, Geologic map of the Shaver Lake quadrangle, central Sierra Nevada, California: Geologic Quadrangle 1271, 1 map :col. ;45 x 36 cm., on sheet 59 x 104 cm., folded in envelope 30 x 24 cm.,
- Luft, Stanley Jeremie, 1976, Geologic map of the Mason quadrangle, Grant and Harrison Counties, Kentucky: Geologic Quadrangle 1311, 1 map :col. ;58 x 46 cm. on sheet 76 x 107 cm. fold. in envelope 30 x 24 cm.,
- Luft, Stanley Jeremie, 1976, Geologic map of the Claysville quadrangle, northeastern Kentucky: Geologic Quadrangle 1341, col. map ;58 x 45 cm. on sheet 77 x 106 cm. fold. in envelope 30 x 24 cm.,
- Mackin, J. Hoover; Nelson, Willis Hoard; Rowley, Peter D., 1976, Geologic map of the Cedar City NW quadrangle, Iron County, Utah: Geologic Quadrangle 1295, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Mackin, J. Hoover; Rowley, Peter D., 1976, Geologic map of the Three Peaks quadrangle, Iron County, Utah: Geologic Quadrangle 1297, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Maughan, Edwin K., 1976, Geologic map of the Roxana quadrangle, Letcher and Harken counties, Kentucky: Geologic Quadrangle 1299, 1 map :col. ;58 x 47 cm., on sheet 85 x 108 cm., folded in envelope 30 x 24 cm.,
- Maxwell, Charles Henry, 1976, Geologic map of the Acoma Pueblo quadrangle, New Mexico: Geologic Quadrangle 1298, 1 map :col. ;58 x 48 cm., folded in envelope 30 x 24 cm.,
- McDowell, Robert Carter, 1976, Geologic map of the Colfax quadrangle, east-central Kentucky: Geologic Quadrangle 1332, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- McKee, Edwin H., 1976, Geologic map of the Austin quadrangle, Lander County, Nevada: Geologic Quadrangle 1307, 1 map :col. ;45 x 35 cm., folded in envelope 30 x 24 cm.,
- McKeown, F. A.; Healey, D. L.; Miller, C. H., 1976, Geologic map of the Yucca Lake quadrangle, Nye County, Nevada: Geologic Quadrangle 1327, 1 map :col. ;58 x 47 cm., folded in envelope 30 x 24 cm.,
- Moench, Robert Hadley; Hildreth, C. T., 1976, Geologic map of the Rumford quadrangle, Oxford and Franklin Counties, Maine: Geologic Quadrangle 1272, 1 map :col. ;44 x 31 cm., on sheet 86 x 85 cm., folded in envelope 30 x 24 cm.,
- Moore, Samuel L., 1976, Geologic map of the Saloma quadrangle, central Kentucky: Geologic Quadrangle 1351, 1 map :col. ;58 x 47 cm., folded in envelope 30 x 24 cm.,
- Moore, Samuel L., 1976, Geologic map of the Hibernia quadrangle, central Kentucky: Geologic Quadrangle 1352, col. map ;58 x 46 cm. on sheet 81 x 97 cm. fold. in envelope 30 x 24 cm.,
- Olive, Wilds W., 1976, Geologic map of parts of the Arlington and Wickliffe SW quadrangles, Carlisle and Hickman Counties, Kentucky: Geologic Quadrangle 1329, col. map ;58 x 77 cm. on sheet 73 x 128 cm.,
- Olson, Jerry Chipman, 1976, Geologic map of the Iris quadrangle, Gunnison and Saguache counties, Colorado: Geologic Quadrangle 1286, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x 24 cm.,
- Olson, Jerry Chipman, 1976, Geologic map of the Houston Gulch quadrangle, Gunnison and Saguache counties, Colorado: Geologic Quadrangle 1287, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x 24 cm.,
- Palmer, James Edward, 1976, Geologic map of the Grove Center quadrangle, Kentucky-Illinois and part of the Shawneetown quadrangle, Kentucky: Geologic Quadrangle 1314, 1 map :col. ;58 x 59 cm. fold. in envelope 30 x 24 cm.,
- Peterson, Warren Lee, 1976, Geologic map of the Ashbrook quadrangle, central Kentucky: Geologic Quadrangle 1289, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Philley, John Calvin; Chaplin, James R., 1976, Geologic map of the Wesleyville quadrangle, northeastern Kentucky: Geologic Quadrangle 1305, 1 map.,
- Rice, Charles L., 1976, Geologic map of the Mayking quadrangle, Letcher and Knott counties, Kentucky: Geologic Quadrangle 1309, 1 map :col. ;58 x 47 cm., folded in envelope 30 x 24 cm.,
- Richter, Donald H.; Matson, Neal A.; Schmoll, Henry R., 1976, Geologic map of the Nabesna C-4 quadrangle, Alaska: Geologic Quadrangle 1303, 1 map :col. ;44 x 41 cm., folded in envelope 30 x 24 cm.,
- Richter, Donald H.; Smith, Robert Leland, 1976, Geologic map of the Nabesna A-5 quadrangle, Alaska: Geologic Quadrangle 1292, 1 map :col. ;44 x 41 cm., on sheet 66 x 104 cm., folded in envelope 30 x 24 cm.,
- Robinson, Paul T.; Stewart, John Harris,; Moiola, Richard J.; Albers, John Patrick, 1976, Geologic map of the Rhyolite Ridge quadrangle, Esmeralda County, Nevada: Geologic Quadrangle 1325, col. map ;45 x 35 cm. on sheet 72 x 95 cm. fold. in envelope 30 x 24 cm.,
- Rogers, William Barton; Trace, Robert Denny, 1976, Geologic map of the Crider quadrangle, Caldwell County, Kentucky: Geologic Quadrangle 1283, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Rowley, Peter D., 1976, Geologic map of the Enoch NW quadrangle, Iron County, Utah: Geologic Quadrangle 1302, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Rowley, Peter D.; Threet, Richard L., 1976, Geologic map of the Enoch quadrangle, Iron County, Utah: Geologic Quadrangle 1296, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Schroeder, Marvin L., 1976, Geologic map of the Bull Creek quadrangle, Teton and Sublette counties, Wyoming: Geologic Quadrangle 1300, 1 map :col. ;58 x 42 cm., folded in envelope 30 x 24 cm.,
- Seiders, Victor M., 1976, Bedrock geologic map of the Wales quadrangle, Massachusetts and Connecticut: Geologic Quadrangle 1320, 1 map :col. ;58 x 43 cm., on sheet 79 x 109 cm., folded in envelope 30 x 24 cm.,
- Sheridan, Douglas M.; Marsh, Sherman P., 1976, Geologic map of the Squaw Pass quadrangle, Clear Creek, Jefferson, and Gilpin Counties, Colorado: Geologic Quadrangle 1337, 1 map :col. ;58 x 45 cm., on sheet 74 x 108 cm., folded in envelope 30 x 24 cm.,
- Smith, J. Hiram, 1976, Geologic map of the Nevelsville quadrangle, south-central Kentucky: Geologic Quadrangle 1326, 1 map :col. ;58 x 47 cm., folded in envelope 30 x 24 cm.,
- Soward, Kenneth S., 1976, Geologic map of the Hardy quadrangle, Cascade and Lewis and Clark Counties, Montana: Geologic Quadrangle 1241, 1 map.,
- Swadley, W. C., 1976, Geologic map of part of the Carrollton quadrangle, Carroll and Trimble Counties, Kentucky: Geologic Quadrangle 1281, 1 map :col. ;58 x 45 cm., folded in envelope 30 x 24 cm.,
- Swadley, W. C.; Gibbons, A. B., 1976, Geologic map of the Campbellsburg quadrangle, north-central Kentucky: Geologic Quadrangle 1364, 1 map :col. ;59 x 47 cm., on sheet 80 x 100 cm., folded in envelope 30 x 24 cm.,
- Taylor, Alfred R., 1976, Geologic map of the Monticello quadrangle, Wayne County, Kentucky: Geologic Quadrangle 1319, 1 map :col. ;58 x 47 cm., on sheet 76 x 100 cm., folded in envelope 30 x 24 cm.,
- Taylor, Richard B., 1976, Geologic map of the Black Hawk quadrangle, Gilpin, Jefferson and Clear Creek Counties, Colorado: Geologic Quadrangle 1248, 1 map :col. ;58 x 45 cm. on sheet 78 x 100 cm. fold. in envelope 30 x 24 cm.,
- Trace, Robert Denny, 1976, Geologic map of the Lola quadrangle, Livingston and Crittenden Counties, Kentucky: Geologic Quadrangle 1288, 1 map :col. ;58 x 46 cm., folded in envelope 30 x 24 cm.,
- Waldrop, Henry A., 1976, Geologic map of the Blackey quadrangle, Letcher and Knott Counties, Kentucky: Geologic Quadrangle 1322, 1 map.,
- Wallace, Roberts Manning, 1976, Geologic map of the Leesburg quadrangle, north-central Kentucky: Geologic Quadrangle 1328, col. map ;58 x 46 cm. on sheet 75 x 86 cm. fold. in envelope 30 x 24 cm. --,
- Wallace, Roberts Manning, 1976, Geologic map of the Cynthiana quadrangle, Harrison County, Kentucky: Geologic Quadrangle 1333, 1 map :col. ;58 x 46 cm. fold. in envelope 30 x 24 cm.,
- Weir, Gordon Whitney, 1976, Geologic map of the Means quadrangle, east-central Kentucky: Geologic Quadrangle 1324, 1 map.,
- Weir, Gordon Whitney, 1976, Geologic map of the Mount Sterling quadrangle, Montgomery County, Kentucky: Geologic Quadrangle 1335, col. map ;58 x 46 cm. on sheet 75 x 105 cm. fold. in envelope 30 x 24 cm. --,
- Weir, Gordon Whitney; McDowell, Robert C., 1976, Geologic map of the Preston quadrangle, Bath and Montgomery Counties, Kentucky: Geologic Quadrangle 1334, col. map ;58 x 45 cm. on sheet 80 x 100 cm. fold. in envelope 30 x 24 cm.,
- Weis, Paul L.; Rice, Charles L., 1976, Geologic map of the Beverly quadrangle, southeastern Kentucky: Geologic Quadrangle 1310, 1 map :col. ;58 x 47 cm., folded in envelope 30 x 24 cm.,
- Weissenborn, A. E.; Weis, Paul L., 1976, Geologic map of the Mount Spokane quadrangle, Spokane County, Washington, and Kootenai and Bonner Counties, Idaho: Geologic Quadrangle 1336, 1 map :col. ;45 x 30 cm., on sheet 73 x 82 cm., folded in envelope 30 x 24 cm.,
- Wyant, Donald G.; Barker, Fred, 1976, Geologic map of the Milligan Lakes quadrangle, Park County, Colorado: Geologic Quadrangle 1343, 1 map :col. ;58 x 45 cm. fold. in envelope 30 x24 cm.,
