TY  - RPRT
TI  - Twenty-second Annual report of the Director of the United States Geological Survey, 1900-1901: Part II - Ore deposits
AU  - Charles D. Walcott
PY  - 1901
DO  - 10.3133/ar22_2
UR  - https://pubs.usgs.gov/publication/ar22_2
ID  - ar22_2
ER  -