@misc{indiciae779a861c30d0, title = {Geologic map of the Alberton quadrangle, Missoula, Sanders, and Mineral Counties, Montana}, author = {John D. Wells}, year = {1974}, doi = {10.3133/gq1157}, url = {https://pubs.usgs.gov/publication/gq1157}, note = {Source identifier: gq1157} }