Output of placer gold from 1905 through 1959 was 375,472 ounces. Total gold production of Shasta County from 1880 through 1959 was 2,033,000 ounces, mostly of lode and byproduct origin.

Placer operations are centered in the Igo district and along the Roaring River. The major lode districts are the Deadwood-French Gulch, Harrison Gulch, Old Diggings, and Whiskey-town. Lode and placer gold as well as large amounts of byproduct gold from the West Shasta copper-zinc district have been mined in Shasta County. The USGS gives the following synopsis of Shasta County gold mining history: Yellow markers are mines with gold as a primary commodity, blue markers are non-gold mines. Image from the WMH Mine Discovery Tools for Google Earth illustrates mine distribution in Shasta County.

WMH Mine Discovery Tools for Google Earth are available for Shasta county Copper is the most reported primary commodity for non gold mines. Of the 945 USGS mine records in Shasta County, 585 list gold as a primary commodity.

Thistle creek dredge history