@misc{indiciae292ca6926dc1, title = {Preliminary geologic map of the Glasgow quadrangle, Montana}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1953}, doi = {10.3133/ofr53137}, url = {https://pubs.usgs.gov/publication/ofr53137}, note = {Source identifier: ofr53137} }