TY  - RPRT
TI  - Database of significant deposits of gold, silver, copper, lead, and zinc in the United States
AU  - Keith R. Long
AU  - DeYoung
AU  - Stephen Ludington
PY  - 1998
DO  - 10.3133/ofr98206ab
UR  - https://pubs.usgs.gov/publication/ofr98206AB
ID  - ofr98206AB
ER  -