TY  - RPRT
TI  - U.S. Geological Survey Trace Elements and related reports through 1954
AU  - Harriet G. Brown Smith
AU  - Virginia K. Blatcher
PY  - 1955
DO  - 10.3133/tei500
UR  - https://pubs.usgs.gov/publication/tei500
ID  - tei500
ER  -