@misc{indiciaee6c842fd81d0, title = {Water-quality data (July 1994 through September 1996) and statistical summaries of data for surface water in the Sand Coulee coal area, Montana}, author = {P.L. Karper}, year = {1998}, doi = {10.3133/ofr9894}, url = {https://pubs.usgs.gov/publication/ofr9894}, note = {Source identifier: ofr9894} }