By A. H. KOSCHMANN and M. H. BERGENDAHL - USGS 1968
Although more than 50 gold mines are scattered throughout Tulare County, only those in the White River district - where gold was discovered in 1853 (Goodwin, 1958, p. 339) - have had significant production.
Production of Tulare County from 1880 through 1959 was about 20,325 ounces, all from lodes. The peak year of production was 1884, when $70,000 in gold was mined. Except for a brief flurry in the early 1930's, there has been very little activity in the gold mines since 1906 (Goodwin, 1958, p. 340).
The gold in the White River district is in quartz veins in granite and in metasedimentary rocks (Goodwin, 1958, p. 340).
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