@misc{indiciae3eb90832c49a, title = {Preliminary map showing availability of ground water from glacial aquifers in Ramsey County, northeastern North Dakota}, author = {R. D. Hutchinson}, year = {1976}, doi = {10.3133/ofr76569}, url = {https://pubs.usgs.gov/publication/ofr76569}, note = {Source identifier: ofr76569} }