TY  - RPRT
TI  - Descriptive and grade-tonnage models for distal disseminated Ag-Au deposits; a supplement to U.S. Geological Survey bulletin 1693
AU  - D. P. Cox
AU  - D.A. Singer
PY  - 1990
DO  - 10.3133/ofr90282
UR  - https://pubs.usgs.gov/publication/ofr90282
ID  - ofr90282
ER  -