TY  - RPRT
TI  - Geochemical Survey of Missouri: Plans and progress for fifth six-month period (July-December 1971)
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1971
DO  - 10.3133/ofr72402
UR  - https://pubs.usgs.gov/publication/ofr72402
ID  - ofr72402
ER  -