TY  - RPRT
TI  - Some aspects of U.S. Geological Survey activities related to the effects of contaminants on water resources
AU  - B.K. Gilbert
AU  - William B. Mann
AU  - P. A. Emery
PY  - 1987
DO  - 10.3133/ofr87574
UR  - https://pubs.usgs.gov/publication/ofr87574
ID  - ofr87574
ER  -