Computer-plotted map of chromium, copper, gold, lead, manganese, silver, tungsten, and zinc deposits, Mariposa County, California from the Computerized Resources Information Bank (CRIB)
Computer-plotted map of chromium, copper, gold, lead, manganese, silver, tungsten, and zinc deposits, Mariposa County, California from the Computerized…
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
Computer-plotted map of chromium, copper, gold, lead, manganese, silver, tungsten, and zinc deposits, Mariposa County, California from the Computerized Resources Information Bank (CRIB) Author: Huber, Donald F. Year: 1979 Category: Report Tags: usgs, Mariposa gold California Source: https://pubs.usgs.gov/of/1979/0378/plate-1.pdf