- Albee, Howard Franklin, 1956, Comparison of the pebbles of the Shinarump and Moss Back members of the Chinle formation: Trace Elements Memorandum 832, 12 p. : ill. ; 27 cm.,
- Espenshade, Gilbert H., 1956, Geologic features of areas of abnormal radioactivity south of Ocala, Marion County, Florida: Trace Elements Memorandum 941, 26 p.; 4 figs. (in envelope); 5 tables,
- Gott, Garland B., 1956, An inferred relationship between some uranium deposits and calcium carbonate cement in southern Black Hills, South Dakota: Trace Elements Memorandum 1000, 15 p.; 3 figs. (one in envelope); 1 table,
- Hill, James Wilcott, 1956, Uranium-Bearing Carbonaceous Nodules of Southwestern Oklahoma: U.S. Geological Survey Trace Elements Memorandum 898, 9 p.; 2 figs. (one in envelope), 1 table (in envelope),
- King, A. G., 1956, Pyrite-uranium polycrystal: Trace Elements Memorandum 1012, 16 p.: ill. ; 27 cm.; 6 figs.,
- Love, John David, 1956, Thick sequences of silicate and carbonate rocks of sedimentary origin in North America an interim report: Trace Elements Memorandum 1088, 16 p. : ill. ; 27 cm.; 1 fig.,
- Marshall, C. H., 1956, Photogeologic map of the Jacob Lake NE quadrangle, Coconino County, Arizona: Trace Elements Memorandum 959, map,
- Robeck, Raymond C., 1956, Temple Mountain member, a new member of the Chinle formation in the San Rafael Swell, Utah: Trace Elements Memorandum 800, 19 p. : ill., maps ; 27 cm.,
- Sharp, William Neil; White, Amos McNairy, 1956, Geology of the Pumpkin Buttes Area of the Powder River Basin, Campbell and Johnson Counties, Wyoming: Trace Elements Memorandum 899, 12 p.; 2 plates (in envelope); 1 fig.; 27 cm.,
- Shoemaker, Eugene Merle, 1956, Diatremes and craters attributed to natural explosions: Trace Elements Memorandum 1090, 26 p.: ill. ; 27 cm.; 4 figs.,
- White, Donald Edward, 1956, Sub-glacial volcanic eruptions: Trace Elements Memorandum 1089, 5 p.; 27 cm.,
- White, Max Gregg, 1956, Uranium in the auriferous conglomerates at the Canavieiras gold mine, State of Bahia, Brazil: Trace Elements Memorandum 945, 20 p.; 2 figs. (in envelope),
