@misc{indiciaea35bec8352c7, title = {Preliminary geologic map of the Dengate quadrangle, Morton County, North Dakota}, author = {C. S. Barclay}, year = {1971}, doi = {10.3133/ofr7113}, url = {https://pubs.usgs.gov/publication/ofr7113}, note = {Source identifier: ofr7113} }