Arizona Geological Survey at the University of Arizona,
Spanish translation follows. A recent report, ‘Assessment of Geochemical and Hydrologic Conditions near Old Yuma Mine in…
Spanish translation follows. A recent report, ‘Assessment of Geochemical and Hydrologic Conditions near Old Yuma Mine in…
New USGS Report - Old Yuma Mine, Tucson Mtns, Arizona | "The Old Yuma Mine is an abandoned copper, lead, zinc, silver, and…