@misc{indiciaeddca86547810, title = {Mineral Resources of the Hells Canyon Study Area, Wallowa County, Oregon, and Idaho and Adams Counties, Idaho}, author = {George C. Simmons and James L. Gualtieri and Terry J. Close and Francis E. Federspiel and Andrew M. Leszcykowski}, year = {2007}, doi = {10.3133/sir20075046}, url = {https://pubs.usgs.gov/publication/sir20075046}, note = {Source identifier: sir20075046} }