TY  - RPRT
TI  - Preliminary geologic map of the White Butte NW Quadrangle, Stark and Hettinger counties, North Dakota
AU  - Kenneth S. Soward
PY  - 1972
DO  - 10.3133/ofr72356
UR  - https://pubs.usgs.gov/publication/ofr72356
ID  - ofr72356
ER  -