TY  - RPRT
TI  - Distribution, thickness, overburden, and structure contour maps of potentially recoverable lignite beds in the eastern part of the Fort Peck Indian Reservation, Montana
AU  - John K. Hardie
AU  - Harold H. Arndt
PY  - 1987
DO  - 10.3133/ofr87674
UR  - https://pubs.usgs.gov/publication/ofr87674
ID  - ofr87674
ER  -