TY  - RPRT
TI  - Trace elements research quarterly progress report - January 1 to March 31, 1952 (Part 1)
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1952
DO  - 10.3133/tei270
UR  - https://pubs.usgs.gov/publication/tei270
ID  - tei270
ER  -