TY  - RPRT
TI  - Geochemical map showing distribution and abundance of copper in silicified rocks, Goldfield mining district, Esmeralda and Nye Counties, Nevada
AU  - R. P. Ashley
AU  - W. J. Keith
PY  - 1973
DO  - 10.3133/mf474
UR  - https://pubs.usgs.gov/publication/mf474
ID  - mf474
ER  -