TY  - RPRT
TI  - Water-resources activities of the U.S. Geological Survey in Montana, October 1989 through September 1991
AU  - C.J. Harksen
AU  - K.S. Midtlyng
PY  - 1991
DO  - 10.3133/ofr91191
UR  - https://pubs.usgs.gov/publication/ofr91191
ID  - ofr91191
ER  -