TY  - RPRT
TI  - Geologic map of the Square Buttes district, Oliver and Mercer Counties, North Dakota
AU  - William D. Johnson
AU  - Robert Paul Kunkel
PY  - 1954
DO  - 10.3133/om148
UR  - https://pubs.usgs.gov/publication/om148
ID  - om148
ER  -