TY  - RPRT
TI  - Geology and ore deposits of the Leadville mining district, Colorado
AU  - S. F. Emmons
AU  - J.D. Irving
AU  - G. F. Loughlin
PY  - 1927
DO  - 10.3133/pp148
UR  - https://pubs.usgs.gov/publication/pp148
ID  - pp148
ER  -