- Bush, A. L.; Bromfield, C. S.; Pierson, C. T., 1956, Placerville quadrangle, Colorado: Miscellaneous Field Studies Map 96, 1 map :col. ;58 x 46 cm.,
- Chew, R. T., 1956, Uranium and vanadium deposits of the Colorado plateau that produced more than 1,000 tons of ore through June 30, 1955: Miscellaneous Field Studies Map 54, 1 map ;99 x 75 cm.,
- Cornwall, H. R.; Wright, J. C., 1956, Geologic map of the Hancock quadrangle, Michigan: Miscellaneous Field Studies Map 46, 1 map ;58 x 40 cm. folded in envelope 30 x 24 cm.,
- Cornwall, H. R.; Wright, J. C., 1956, Geologic map of the Laurium quadrangle, Michigan: Miscellaneous Field Studies Map 47, 1 map ;58 x 40 cm. folded in envelope 30 x 24 cm.,
- Erickson, R. L.; Blade, L. V., 1956, Map of bedrock geology of Magnet Cove igneous area, Hot Spring County, Arkansas: Miscellaneous Field Studies Map 53, 1 map ;72 x 111 cm.,
- Gott, G. B.; Schnabel, R. W., 1956, Preliminary geologic map of the northwest part of the Edgemont NE quadrangle, Custer and Fall River Counties, South Dakota: Miscellaneous Field Studies Map 55, 1 map.,
- Gott, G. B.; Schnabel, R. W., 1956, Preliminary geologic map of the northeast part of the Edgemont NE quadrangle, Custer and Fall River Counties, South Dakota: Miscellaneous Field Studies Map 56, 1 map.,
- Gott, G. B.; Schnabel, R. W., 1956, Preliminary geologic map of the east-central part of the Edgemont NE quadrangle, Fall River County, South Dakota: Miscellaneous Field Studies Map 57, 1 map.,
- Gott, G. B.; Schnabel, R. W., 1956, Preliminary geologic map of the west-central part of the Edgemont NE quadrangle, Fall River County, South Dakota: Miscellaneous Field Studies Map 58, 1 map.,
- Gott, G. B.; Schnabel, R. W., 1956, Preliminary geologic map of the southwest part of the Edgemont NE quadrangle, Fall River County, South Dakota: Miscellaneous Field Studies Map 59, 1 map.,
- Gott, G. B.; Schnabel, R. W., 1956, Preliminary geologic map of the southeast part of the Edgemont NE quadrangle, Fall River County, South Dakota: Miscellaneous Field Studies Map 60, 1 map.,
- Kulp, J. L.; Brobst, D. A., 1956, Geology of the Bakersville-Plumtree area, Spruce Pine district, North Carolina: Miscellaneous Field Studies Map 97, 1 map :col. ;65 x 87 cm. folded in envelope 30 x 24 cm.,
- Proctor, P. D., 1956, Preliminary geologic map of the Allens Ranch quadrangle, Utah: Miscellaneous Field Studies Map 45, 1 map ;115 x 89 cm. folded in envelope 30 x 24 cm.,
- Thayer, T. P., 1956, Preliminary geologic map of the Aldrich Mountain quadrangle, Oregon: Miscellaneous Field Studies Map 49, 1 map :col. ;45 x 33 cm. folded in envelope 30 x 24 cm.,
- Thayer, T. P., 1956, Preliminary geologic map of the Mt. Vernon quadrangle, Oregon: Miscellaneous Field Studies Map 50, 1 map :col. ;45 x 32 cm. folded in envelope 30 x 24 cm.,
- Thayer, T. P., 1956, Preliminary geologic map of the John Day quadrangle, Oregon: Miscellaneous Field Studies Map 51, 1 map :col. ;45 x 38 cm. folded in envelope 30 x 24 cm.,
- Tweto, Ogden, 1956, Geologic map of the Tennessee Pass area, Eagle and Lake counties, Colorado: Miscellaneous Field Studies Map 34, 1 map :col. ;115 x 152 cm.,
- Vitaliano, C. J.; Callaghan, Eugene, 1956, Geologic map of the Gabbs magnesite and brucite deposits, Nye County, Nevada: Miscellaneous Field Studies Map 35, 1 map :col. ;69 x 120 cm. folded in envelope 30 x 24 cm.,
- Wallace, R. E.; Calkins, J. A., 1956, Reconnaissance geologic map of the Izee and Logdell quadrangles, Oregon: Miscellaneous Field Studies Map 82, 1 map ;45 x 64 cm. folded in envelope 30 x 24 cm.,
- White, W. S., 1956, Geologic map of the Chassell quadrangle, Michigan: Miscellaneous Field Studies Map 43, 1 map ;58 x 40 cm. folded in envelope 30 x 24 cm.,
- White, W. S.; Wright, J. C., 1956, Geologic map of the South Range quadrangle, Michigan: Miscellaneous Field Studies Map 48, 1 map :col. ;58 x 40 cm. folded in envelope 30 x 24 cm.,
- Witkind, I. J., 1956, Dinnehotso NW quadrangle, Arizona-Utah: Miscellaneous Field Studies Map 92, 1 map :col. ;18 x 23 cm. folded in envelopes 30 x 24 cm.,
- Witkind, I. J., 1956, Dinnehotso NE quadrangle, Arizona-Utah: Miscellaneous Field Studies Map 93, 1 map.,
- Witkind, I. J., 1956, Dinnehotso SE quadrangle, Arizona: Miscellaneous Field Studies Map 94, 1 map.,
- Witkind, I. J., 1956, Dinnehotso SW quadrangle, Arizona: Miscellaneous Field Studies Map 95, 1 map.,
- Zeller, H. D.; Soister, P. E.; Hyden, H. J., 1956, Preliminary geologic map of the Gas Hills uranium district, Fremont and Natrona Counties, Wyoming: Miscellaneous Field Studies Map 83, 1 map ;71 x 86 cm. folded in envelope 30 x 24 cm.,