TY  - RPRT
TI  - Machine-readable data files from the Madison Limestone and northern Great Plains regional aquifer system analysis projects, Montana, Nebraska, North Dakota, South Dakota, and Wyoming
AU  - J. S. Downey
PY  - 1982
DO  - 10.3133/wri824107
UR  - https://pubs.usgs.gov/publication/wri824107
ID  - wri824107
ER  -