TY  - RPRT
TI  - Potentiometric-surface map of water in the Lakota Formation and equivalent units in the northern Great Plains area of Montana
AU  - Gary Wayne Levings
PY  - 1982
DO  - 10.3133/ofr82563
UR  - https://pubs.usgs.gov/publication/ofr82563
ID  - ofr82563
ER  -