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La Grange Mine Hydraulic Mining Postcards

Currency:USD Category:Collectibles / Mining Start Price:75.00 USD Estimated At:150.00 - 200.00 USD
La Grange Mine Hydraulic Mining Postcards
SOLD
65.00USDto 1*********1+ buyer's premium (12.68)
This item SOLD at 2014 Dec 10 @ 16:46UTC-8 : PST/AKDT
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Group of 3 from the Prag collection, including: 1) Monitors in operation at La Grange Mine, the largest operating placer in the world - Gravel deposit over 600 feet in depth," postmarked 1911; 2) "La Grange Mine Weaverville, Cal.," postmarked 1919; 3) "Hydraulic Construction of State Hi-Way thru La Grange Mine. Weaverville, Calif. March, 1934."

Designated a historic mining district, the La Grange Mine began in the late 1860's as the mountains west of Weaverville in Trinity County became a hydraulic gold mining center. As the yield per cubic yard of material washed was so low, huge amounts of water was required to make a profit. In order to maintain water levels for hydraulic mining operations to continue, in 1873 a group of local miners formed the Weaverville Ditch and Hydraulic Mining Company (dot.ca.gov).

Date: 1911-1919
City: Weaverville
State: California
ID: 20959