Campo Seco

Calaveras County · 3.3 miles north of Valley Springs · location approximate

Settled in 1849 by Mexicans who worked placers on Oregon Gulch. Rich copper deposits discovered 1859. Largest living cork oak tree in California planted here in 1858. Ruins of Adams Express Building with iron doors still standing (1950).

1971 register text, presented as a historical document. It uses the period's terms for Native people; the state's landmark listings still carry most of this wording, and the California Office of Historic Preservation maintains the program's current texts.

Many of these plaques have since been recast or their texts revised. The California Historical Landmarks program and its current texts are maintained by the California Office of Historic Preservation. California Office of Historic Preservation ↗

David Rumsey Map Collection, Stanford Libraries

Marker data: State of California, Department of Parks and Recreation, California Historical Landmarks (1971)

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