TY  - RPRT
TI  - Potentiometric-surface map of water in the Eagle Sandstone and equivalent units in the northern Great Plains area of Montana
AU  - Gary W. Levings
PY  - 1982
DO  - 10.3133/ofr82565
UR  - https://pubs.usgs.gov/publication/ofr82565
ID  - ofr82565
ER  -