TY  - RPRT
TI  - Water-quality data (July 1994 through September 1996) and statistical summaries of data for surface water in the Sand Coulee coal area, Montana
AU  - P.L. Karper
PY  - 1998
DO  - 10.3133/ofr9894
UR  - https://pubs.usgs.gov/publication/ofr9894
ID  - ofr9894
ER  -