TY  - RPRT
TI  - Preliminary geologic map of the Glen Ullin quadrangle, Morton County, North Dakota
AU  - C.S. Venable Barclay
PY  - 1970
DO  - 10.3133/ofr7017
UR  - https://pubs.usgs.gov/publication/ofr7017
ID  - ofr7017
ER  -