TY  - RPRT
TI  - Geology of the Christmas copper mine, Gila County, Arizona
AU  - N. P. Peterson
AU  - R. W. Swanson
PY  - 1956
DO  - 10.3133/b1027h
UR  - https://pubs.usgs.gov/publication/b1027H
ID  - b1027H
ER  -