TY  - RPRT
TI  - Water resources data for Montana, water year 1972; part 2, water quality records
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1973
DO  - 10.3133/wdrmt722
UR  - https://pubs.usgs.gov/publication/wdrMT722
ID  - wdrMT722
ER  -