TY  - RPRT
TI  - Geohydrology of the Madison and associated aquifers in parts of Montana, North Dakota, South Dakota, and Wyoming
AU  - Joe S. Downey
PY  - 1982
DO  - 10.3133/ofr82914
UR  - https://pubs.usgs.gov/publication/ofr82914
ID  - ofr82914
ER  -