- Bell, Kenneth Granville, 1949, Semi-quantitative determination of uranium and stratigraphic correlation by gamma-ray logging of drill holes in carnotite deposits: Trace Elements Investigations 87, 11 p., 2 fig.,
- Brown, Andrew, 1949, Experimental adit in the Chattanooga shale: Trace Elements Investigations 93, 41 p., 4 plates, 4 fig.,
- Conant, Louis C., 1949, Second interim report - black shale investigations (Chattanooga): Trace Elements Investigations 58, 26 p.,
- Fischer, R. P.; Blackman, Doris; Hawkes, H. E., 1949, Progress report geologic, mineralogic, and geobotanical guides to the ores in the carnotitie deposits of the Colorado plateau. Topic report parts I and III: Trace Elements Investigations 96, Part I: 25 p., maps; Part II: 3p.,
- Fischer, Richard Philip; Blackman, Doris, 1949, Geologic guides to carnotite deposits on the Colorado Plateau: Trace Elements Investigations 86, 13 p., 5 fig., map,
- Fletcher, Mary Henry; May, Irving; Slavin, Morris, 1949, A transmission fluorimeter for use in the fluorimetric method of analysis for uranium: Trace Elements Investigations 104, 14 p. : ill. ; 29 cm.; 2 figs.; 5 tables,
- Gault, H. R., 1949, Trace elements reconnaissance in the Candle Creek area, Fairhaven district, Seward Peninsula, Alaska: Trace Elements Investigations 41, 10 p., 1 fig.,
- Gott, Garland B., 1949, Appplication of gamma-ray logs of oil wells to the discovery of radioactive ore: Trace Elements Investigations 82, 14 p., 5 fig.,
- Grimaldi, Frank; Ward, F. N.; Kreher, Ruth, 1949, A direct quantitative fluorimetric method for the determination of small amounts of uranium in the field and laboratory: Trace Elements Investigations 98, 13 p.,
- Killeen, P. L.; White, M. C., 1949, Short contributions to Alaskan trace element studies 1946 : Part I: Trace elements investigations in the Grant Creek area, Yukon region, Alaska: Trace Elements Investigations 42-1, 10 p.,
- Levine, Harry; Grimaldi, F. S., 1949, Application of Mesityl Oxide to the determination of Thorium: Trace Elements Investigations 105, 36 p.,
- McKelvey, Vincent Ellis; Cathcart, James Bachelder, 1949, Staff report on phosphates: Trace Elements Investigations 94-2, 4 p.: map,
- Moxham, R. M.; West, W. S., 1949, Trace elements investigations in the Serpentine-Kougarok area, Seward Peninsula, Alaska: Trace Elements Investigations 39, 35 p., 2 fig. in pocket,
- Murata, K. J.; Cisney, E. A.; Stieff, L. R.; Zworykin, E. V., 1949, Synthesis, Base Exchange, and Photosensitivity of Carnotite, Tyuyamunite, and Related Minerals: Trace Elements Investigations 107, 12 p.,
- Nelson, John M., 1949, Prospecting for uranium with car-mounted equipment: Trace Elements Investigations 65, iii, 19 p. : 5 fig. ; 27 cm.,
- Nelson, John Marshall; Stratton, Edward V., 1949, Trace elements reconnaissance in Indiana, Illinois, Missouri, Arkansas, and Kentucky : preliminary report: Trace Elements Investigations 34, 39 p.,
- Rabbitt, J. C.; Rubey, W. W.; Butler, A. P., Jr.; Lovering, T. S.; McKelvey, V. E., 1949, A preliminary outline of desirable research in the geochemistry of uranium: Trace Elements Investigations 206, 12 leaves ; 29 cm.,
- Randolph, R. B.; Grimaldi, F. S., 1949, The determination of phosphorus in rocks containing vanadium: Trace Elements Investigations 99, 12 p.,
- Steiff, L. R., 1949, Program of study for the carnitite ores of the Colorado plateau: Trace Elements Investigations 92, 13 p.,
