TY  - RPRT
TI  - Numerical list of U.S. Geological Survey trace elements reports to September 15, 1952
AU  - Jane H. Wallace
AU  - Virginia K. Blatcher
PY  - 1952
DO  - 10.3133/tei300
UR  - https://pubs.usgs.gov/publication/tei300
ID  - tei300
ER  -