@misc{indiciae22592d9e6c0c, title = {Twenty-second Annual report of the Director of the United States Geological Survey, 1900-1901: Part II - Ore deposits}, author = {Charles D. Walcott}, year = {1901}, doi = {10.3133/ar22\_2}, url = {https://pubs.usgs.gov/publication/ar22\_2}, note = {Source identifier: ar22\_2} }