TY  - RPRT
TI  - Bibliography and index of U.S. Geological Survey trace elements and related reports through June 1956
AU  - Paul E. Soister
AU  - Dora R. Conklin
AU  - Mary D. Bowman
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1956
DO  - 10.3133/tei600
UR  - https://pubs.usgs.gov/publication/tei600
ID  - tei600
ER  -