@misc{indiciaefb640c9e574c, title = {Coal geology of the New England-Mott area: Billings, Stark, Slope, Hettinger, and Adams Counties, North Dakota}, author = {Hal Owen}, year = {1979}, doi = {10.3133/ofr79564}, url = {https://pubs.usgs.gov/publication/ofr79564}, note = {Source identifier: ofr79564} }