- Anderson, R. Ernest; Hintze, Lehi F., 1993, Geologic map of the Dodge Spring quadrangle, Washington County, Utah, and Lincoln County, Nevada: Geologic Quadrangle 1721, 1 map :col. ;58 x 47 cm., on sheet 87 x 112 cm., folded in envelope 30 x 24 cm.,
- Beard, Sue; Lucchitta, Ivo, 1993, Geologic map of the Valentine southeast quadrangle, Mohave County, Arizona: Geologic Quadrangle 1711, 1 map :col. ;58 x 48 cm., on sheet 86 x 102 cm., folded in envelope 30 x 24 cm.,
- Drake, Avery Ala, 1993, Bedrock geologic map of the Allentown West quadrangle, Lehigh and Berks counties, Pennsylvania: Geologic Quadrangle 1727, 1 map :col. ;58 x 44 cm. on sheet 87 x 137 cm., folded in envelope 30 x 24 cm.,
- Drake, Avery Ala; Volkert, R. A.; Lyttle, P. T.; Germaine, Mark, 1993, Bedrock geologic map of the Tranquility quadrangle, Warren, Sussex, and Morris counties, New Jersey: Geologic Quadrangle 1717, 1 map :col. ;58 x 44 cm. on sheet 89 x 132 cm., folded in envelope 30 x 24 cm.,
- Drake, Avery Ala; Volkert, Richard A., 1993, Bedrock geologic map of the Newton East quadrangle, Sussex County, New Jersey: Geologic Quadrangle 1707, 1 map :col. ;58 x 44 cm., on sheet 104 x 107 cm., folded in envelope 30 x 24 cm.,
- Evans, James George, 1993, Geologic map of the Brannan Gulch 7 1/2‘ quadrangle, Baker County, Oregon: Geologic Quadrangle 1744, 1 map :col. ;58 x 42 cm., on sheet 86 x 104 cm., folded in envelope 30 x 24 cm.,
- Evarts, Russell C.; Ashley, Roger P., 1993, Geologic map of the Spirit Lake West quadrangle, Skamania and Cowlitz Counties, Washington: Geologic Quadrangle 1681, 1 map :col. ;58 x 40 cm., on sheet 81 x 105 cm., folded in envelope 30 x 24 cm. +1 pamphlet (11 p. : ill. ; 28 cm.),
- Evarts, Russell C.; Ashley, Roger P., 1993, Geologic map of the Spirit Lake East quadrangle, Skamania County, Washington: Geologic Quadrangle 1679, 1 map :col. ;58 x 40 cm., on sheet 81 x 105 cm., folded in envelope 30 x 24 cm. +1 booklet (12 p. : ill. ; 28 cm.),
- Evarts, Russell C.; Ashley, Roger P., 1993, Geologic map of the Vanson Peak quadrangle, Lewis, Cowlitz, and Skamania counties, Washington: Geologic Quadrangle 1680, 1 map :col. ;58 x 40 cm., on sheet 81 x 99 cm., folded in envelope 30 x 24 cm. +1 booklet (12 p. ; 28 cm.),
- Evarts, Russell C.; Ashley, Roger P., 1993, Geologic map of the Cowlitz Falls quadrangle, Lewis and Skamania Counties, Washington: Geologic Quadrangle 1682, 1 map :col. ;58 x 40 cm., on sheet 84 x 102 cm., folded in envelope 30 x 24 cm. +1 pamphlet (10 p. : ill. ; 28 cm.),
- Hedlund, David Carl, 1993, Geologic map of the Tillie Hall Peak quadrangle, Greenlee County, Arizona, and Grant County, New Mexico: Geologic Quadrangle 1715, 1 map :col ;58 x 49 cm., on sheet 79 x 109 cm., folded in envelope 30 x 24 cm.,
- Kellogg, Karl S., 1993, Geologic map of the Cherry Lake quadrangle, Madison County, Montana: Geologic Quadrangle 1725, 1 map :col. ;58 x 41 cm., on sheet 89 x 127 cm., folded in envelope 30 x 24 cm.,
- Kellogg, Karl S., 1993, Geologic map of the Ennis Lake quadrangle, Madison County, Montana: Geologic Quadrangle 1729, 1 map :col. ;58 x 41 cm., on sheet 79 x 102 cm., folded in envelope 30 x 24 cm.,
- M'Gonigle, John W., 1993, Geologic map of the Medicine Lodge Peak quadrangle, Beaverhead County, southwest Montana: Geologic Quadrangle 1724, 1 map :col. ;58 x 41 cm., on sheet 86 x 127 cm., folded in envelope 30 x 24 cm.,
- Maldonado, Florian; Williams, Van S., 1993, Geologic map of the Paragonah quadrangle, Iron County, Utah: Geologic Quadrangle 1713, 1 map :col. ;58 x 46 cm., on sheet 71 x 94 cm., folded in envelope 30 x 24 cm.,
- Richter, Donald H.; Smith, J. G.; Schmoll, H. R.; Smith, R. L., 1993, Geologic map of the Nabesna B-6 quadrangle, south-central Alaska: Geologic Quadrangle 1688, 1 map :col. ;44 x 41 cm., on sheet 75 x 109 cm., folded in envelope 30 x 24 cm.,
- Robertson, Jacques F., 1993, Geologic map of the Casamero Lake quadrangle, McKinley County, New Mexico: Geologic Quadrangle 1716, 1 map :col. ;58 x 48 cm., on sheet 87 x 112 cm., folded in envelope 30 x 24 cm.,
- Scott, Robert B.; Swadley, W. C.; Novak, Steven W., 1993, Geologic map of the Delamar Lake quadrangle, Lincoln County, Nevada: Geologic Quadrangle 1730, 1 map :col. ;58 x 46 cm., on sheet 101 x 107 cm., folded in envelope 30 x 24 cm.,
