TY  - RPRT
TI  - Strippable lignite deposits, Slope and Bowman Counties, North Dakota
AU  - Roy Clark Kepferle
AU  - W.C. Culbertson
PY  - 1955
DO  - 10.3133/b1015e
UR  - https://pubs.usgs.gov/publication/b1015E
ID  - b1015E
ER  -