Keywords: Photograph of a hydraulic mining operation whereby water is blasted against a hillside to separate loose rock... - NARA - 296578.jpg Scope and content No location is given for this photgraph but it is assumed that the mine is somewhere in California's environmentally devasted Sierra Nevada Mountains General notes 296578 Local identifier Department of the Treasury Bureau of the Mint U S Mint San Francisco California 1873 - 07/11/1962 NARA's Pacific Region San Bruno NRHAS 1000 Commodore Drive San Bruno CA 94066-2350 Record group Record Group 104 Records of the U S Mint 1792 - 2007 Record group ARC 433 Photographs of Operations compiled ca 1870 - ca 1930 Series ARC 296543 File unit File unit ARC Variant control numbers NAIL Control Number NRHS-104-SFMNTCOPYNEG-X72 Other versions <gallery> File Photograph_of_a_hydraulic_mining_operation_whereby_water_is_blasted_against_a_hillside_to_separate_loose_rock _-_NARA_-_296578 tif tif File Photograph_of_a_hydraulic_mining_operation_whereby_water_is_blasted_against_a_hillside_to_separate_loose_rock _-_NARA_-_296578 jpg jpg </gallery> NARA-cooperation PD-USGov Mining in the Sierra Nevada U S Surface mining Water erosion in the United States Gold mines in the United States California Malakoff Diggins ~ California in the 1870s NARA images of Nevada County California Black and white photographs of the Sierra Nevada United States Mining |