TY  - RPRT
TI  - Plan of study of the hydrology of the Madison Limestone and associated rocks in Montana, Nebraska, North Dakota, South Dakota, and Wyoming
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1975
DO  - 10.3133/ofr75631
UR  - https://pubs.usgs.gov/publication/ofr75631
ID  - ofr75631
ER  -