From the record
“The Copper Globe Mine is distinct from the surrounding San Rafael Mining District because it produced copper ore in the early twentieth century, rather than uranium, which dominated the mining district during the Cold War era.”
Written record, HAER UT-97 survey. Machine-read text.
Surveyed by the federal HAER program as HAER UT-97 · the record runs 536 words · one of 10 surveyed structures published for this county.