Blackberry Mine

Also: The Blackberry, Blackberry Quartz Mine

quartz gold patented 1911-

Third of the three adjoining Plaskett Bros. claims located in 1911.

Overall confidence Strongly supported Location Approximate

Discovery

By Edward Abbott Plaskett · 1911 Strongly supported

part of the ~$100,000 Ocean View/Lilac/Blackberry group total Family tradition

Mine location · Approximate
35.9200, -121.4200

The circle shows the position’s uncertainty — this is an approximate placeholder, not a surveyed point. Toggle the 1921 USGS map to compare.

USGS Los Burros district map, 1921

Opacity

USGS, 1921 (public domain) — via Wikimedia Commons; original from the Los Burros Mining & Historical Society.

Alignment: approximate — single-anchor placement, not yet georeferenced. Use the slider to judge the fit.

Private-property risk — do not enter. Patented (private) claim on Plaskett Ridge, adjoining the Ocean View.

⚠ Abandoned workings; private/patented land.

Sources