Stereoview, circa 1870, of hydraulic gold mining in Nevada County, California, the region established shortly after the Gold Rush of 1849. Titled ''Hydraulic Mining'', stereoview #1403 shows a scene ''Behind the Pipes, in the Kennebeck Claim, Birchville, Nevada County.'' Published by Thomas Houseworth & Co. of San Francisco. Stereoview measures 7'' x 3.5''. Some scuffing to mat, and minor fading, overall very good condition.