- Drake, Avery Ala; Froelich, A. J.; Weems, R. E; Lee, K. Y., 1994, Geologic map of the Manassas quadrangle, Fairfax and Prince William Counties, Virginia: Geologic Quadrangle 1732, 1 map :col. ;58 x 45 cm., on sheet 97 x 132 cm., folded in envelope 30 x 24 cm.,
- Drake, Avery Ala; Volkert, R. A.; Monteverde, D. H.; Kastelic, R. L., 1994, Bedrock geologic map of the Washington quadrangle, Warren, Hunterdon, and Morris counties, New Jersey: Geologic Quadrangle 1741, 1 map :col. ;58 x 44 cm. on sheet 86 x 132 cm., folded in envelope 30 x 24 cm.,
- Du Bray, E. A.; Pallister, John S., 1994, Geologic map of the Chiricahua Peak quadrangle, Cochise County, Arizona: Geologic Quadrangle 1733, 1 map :col. ;58 x 50 cm. on sheet 102 x 124 cm., folded in envelope 30 x 24 cm.,
- Du Bray, E. A.; Pallister, John S., 1994, Geologic map of the Stanford Canyon quadrangle, Cochise County, Arizona: Geologic Quadrangle 1743, 1 map :col. ;58 x 49 cm. on sheet 84 x 112 cm., folded in envelope 30 x 24 cm.,
- Fleming, Anthony H.; Drake, Avery Ala; McCartan, Lucy, 1994, Geologic map of the Washington West quadrangle, District of Columbia, Montgomery and Prince Georges counties, Maryland, and Arlington and Fairfax counties, Virginia: Geologic Quadrangle 1748, 1 map :col. ;58 x 46 cm., on sheet 104 x 148 cm., folded in envelope 30 x 24 cm.,
- Goodge, John W.; Hansen, Vicki L., 1994, Geologic map of the Omak Lake 15‘ quadrangle, Okanogan County, Washington: Geologic Quadrangle 1726, 1 map :col. ;45 x 30 cm., on sheet 77 x 92 cm., folded in envelope 30 x 24 cm. +1 booklet (20 p. ; 28 cm.),
- John, David A.; Silberling, N. J., 1994, Geologic map of the La Plata Canyon quadrangle, Churchill County, Nevada: Geologic Quadrangle 1710, 1 map :col. ;58 x 45 cm., on sheet 81 x 96 cm., folded in envelope 30 x 24 cm. +1 pamphlet (8 p. : ill., map ; 28 cm.),
- Kellogg, Karl S., 1994, Geologic map of the Norris quadrangle, Madison County, Montana: Geologic Quadrangle 1738, 1 map :col. ;58 x 41 cm., on sheet 79 x 109 cm., folded in envelope 30 x 24 cm.,
- Koteff, Carl; Moore, Richard Bridge, 1994, Surficial geologic map of the Kingston quadrangle, Rockingham County, New Hampshire: Geologic Quadrangle 1740, 1 map :col. ;58 x 43 cm., on sheet 82 x 82 cm., folded in envelope 30 x 24 cm.,
- Lucchitta, Ivo; Suneson, Neil, 1994, Geologic map of the Signal quadrangle, Mohave County, Arizona: Geologic Quadrangle 1709, 1 map :col. ;58 x 48 cm., on sheet 87 x 109 cm., folded in envelope 30 x 24 cm.,
- Lucchitta, Ivo; Suneson, Neil, 1994, Geologic map of the Centennial Wash quadrangle, Mohave and La Paz Counties, Arizona: Geologic Quadrangle 1718, 1 map :col. ;58 x 48 cm., on sheet 85 x 112 cm., folded in envelope 30 x 24 cm. +1 pamphlet (7 p. : maps ; 28 cm.),
- Lucchitta, Ivo; Suneson, Neil, 1994, Geologic map of the Castaneda Hills SW quadrangle, Mohave and La Paz Counties, Arizona: Geologic Quadrangle 1719, 1 map :col. ;58 x 48 cm., on sheet 84 x 104 cm., folded in envelope 30 x 24 cm.,
- Lucchitta, Ivo; Suneson, Neil, 1994, Geologic map of the Castaneda Hills quadrangle, Mohave County, Arizona: Geologic Quadrangle 1720, 1 map :col. ;58 x 48 cm., on sheet 84 x 112 cm., folded in envelope 30 x 24 cm.,
- M'Gonigle, John W., 1994, Geologic map of the Deadman Pass quadrangle, Beaverhead County Montana, and Lemhi County, Idaho: Geologic Quadrangle 1753, 1 map :col. ;58 x 42 cm., on sheet 82 x 130 cm., folded in envelope 30 x 24 cm.,
- McLean, Hugh, 1994, Geologic map of the Lopez Mountain quadrangle, San Luis Obispo County, California: Geologic Quadrangle 1723, 1 map :col. ;58 x 48 cm., on sheet 84 x 102 cm., folded in envelope 30 x 24 cm.,
- Pallister, John S.; Du Bray, E. A., 1994, Geologic map of the Fife Peak quadrangle, Cochise County, Arizona: Geologic Quadrangle 1708, 1 map :col. ;58 x 49 cm. on sheet 81 x 97 cm., folded in envelope 30 x 24 cm.,
- Pallister, John S.; Latta, John S.; Du Bray, E. A., 1994, Geologic map of the Rustler Park quadrangle, Chochise County, Arizona: Geologic Quadrangle 1696, 1 map :col. ;58 x 50 cm., on sheet 89 x 125 cm., folded in envelope 30 x 24 cm.,
- Pillmore, C. L.; Scott, Glenn Robert, 1994, Geologic map of the Clifton House quadrangle, showing fossil zones in the Pierre Shale, Colfax County, New Mexico: Geologic Quadrangle 1737, 1 map :col. ;58 x 47 cm., on sheet 74 x 94 cm., folded in envelope 30 x 24 cm.,
- Ratte, James Clifford; McIntosh, William C.; Bove, Dana, 1994, Geologic map of the Milligan Mountain quadrangle, Catron County, New Mexico: Geologic Quadrangle 1736, 1 map :col. ;58 x 49 cm., on sheet 105 x 143 cm., folded in envelope 30 x 24 cm.,
- Richter, Donald H.; Duffield, W. A.; Sawyer, D. A.; Ratte, J. C.; Schmoll, H. R., 1994, Geologic map of the Gulkana A-1 quadrangle, south-central Alaska: Geologic Quadrangle 1728, 1 map :col. ;44 x 42 cm., on sheet 87 x 126 cm., folded in envelope 30 x 24 cm.,
- Rowley, Peter D.; Shroba, R. R.; Simonds, F. W.; Burke, K. J.; Axen, G. J.; Olmore, S. D., 1994, Geologic map of the Chief Mountain quadrangle, Lincoln County, Nevada: Geologic Quadrangle 1731, 1 map :col. ;58 x 46 cm. on sheet 106 x 137 cm., folded in envelope 30 x 24 cm.,
- Sisson, Thomas W.; Moore, James Gregory, 1994, Geologic map of the Giant Forest quadrangle, Tulare County, California: Geologic Quadrangle 1751, 1 map :col. ;45 x 36 cm., on sheet 64 x 102 cm., folded in envelope 30 x 24 cm.,
- Skipp, Betty; Hall, Wayne Everett; Link, P. K., 1994, Geologic map of the Mahoney Butte quadrangle, Blaine County, Idaho: Geologic Quadrangle 1742, 1 map :col. ;58 x 42 cm., on sheet 91 x 119 cm., folded in envelope 30 x 24 cm.,
- Southworth, Scott, 1994, Geologic map of the Bluemont quadrangle, Loudoun and Clarke Counties, Virginia: Geologic Quadrangle 1739, 1 map :col. ;58 x 45 cm., on sheet 104 x 137 cm., folded in envelope 30 x 24 cm.,
- Swadley, W. C.; Page, W. R.; Scott, R. B.; Pampeyan, E. H., 1994, Geologic map of the Delamar 3 SE quadrangle, Lincoln County, Nevada: Geologic Quadrangle 1754, 1 map :col. ;58 x 47 cm., on sheet 99 x 138 cm., folded in envelope 30 x 24 cm.,
- Swadley, W. C.; Rowley, Peter D., 1994, Geologic map of the Pahroc Spring SE quadrangle, Lincoln County, Nevada: Geologic Quadrangle 1752, 1 map :col. ;58 x 46 cm., on sheet 86 x 142 cm., folded in envelope 30 x 24 cm.,
- Swadley, W. C.; Simonds, F. W., 1994, Geologic map of the Deadman Spring SE quadrangle, Lincoln County, Nevada: Geologic Quadrangle 1745, 1 map :col. ;58 x 46 cm., on sheet 74 x 81 cm., folded in envelope 30 x 24 cm.,
- Swadley, W. C.; Simonds, F. W., 1994, Geologic map of the Pharoc Spring NE quadrangle, Lincoln County, Nevada: Geologic Quadrangle 1746, 1 map :col. ;58 x 46 cm., on sheet 74 x 99 cm., folded in envelope 30 x 24 cm.,
- Thompson, Ren A.; Lipman, Peter W., 1994, Geologic map of the Los Pinos quadrangle, Rio Arriba and Taos Counties, New Mexico and Conejos County, Colorado: Geologic Quadrangle 1749, 1 map :col. ;58 x 47 cm., on sheet 74 x 77 cm., folded in envelope 30 x 24 cm.,
- Thompson, Ren A.; Lipman, Peter W., 1994, Geologic map of the San Antonio Mountain quadrangle, Rio Arriba County, New Mexico: Geologic Quadrangle 1750, 1 map :col. ;58 x 47 cm., on sheet 74 x 82 cm., folded in envelope 30 x 24 cm.,
- Weir, Gordon Whitney; Puffett, Willard P.; Dodson, Chester L., 1994, Geologic map of the Hatch Rock quadrangle, San Juan County, Utah: Geologic Quadrangle 1722, 1 map :col. ;45 x 35 cm., on sheet 71 x 64 cm., folded in envelope 30 x 24 cm. +1 pamphlet (13 p. : ill. ; 28 cm.),
- Weir, Gordon Whitney; Ulrich, George E.; Nealey, L. David, 1994, Geologic map of the Long Valley quadrangle, Coconino County, Arizona: Geologic Quadrangle 1735, 1 map :col. ;58 x 48 cm., on sheet 84 x 92 cm., folded in envelope 30 x 24 cm.,
