@misc{indiciae782ec2fe704b, title = {Geology and mineral resource assessment of the Challis 1° x 2° quadrangle, Idaho}, author = {F. S. Fisher and K. M. Johnson}, year = {1995}, doi = {10.3133/pp1525}, url = {https://pubs.usgs.gov/publication/pp1525}, note = {Source identifier: pp1525} }