Benjamin F. Loomis Historical Photograph Collection:Men sitting on Holt Traction engine with trailers loaded with logs. Note indicates that load is 14,534 board feet. On back of print: the Holt Traction Engine Hauling Logs, 14,534 feet in this lead. Forunner of catapillar tractor. Holt developed this machinary from Stockton.
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Image Date: circa 1850s-1950s
Person: Curator Organization: US National Park Service Address: Lassen Volcanic National Park, Mineral, CA, Phone: (530) 595-4480 Email: lavo_information@nps.gov