@misc{indiciae4201db7ecd3b, title = {Evaluation of the hydrologic system in the New Leipzig coal area, Grant and Hettinger counties, North Dakota}, author = {C. A. Armstrong}, year = {1982}, doi = {10.3133/ofr82698}, url = {https://pubs.usgs.gov/publication/ofr82698}, note = {Source identifier: ofr82698} }