The La Grange Mine is a former mine located in Trinity County, California. At one time it was the largest hydraulic mine in

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. Started operating in 1862, over 3,500,000 dollars of gold was extracted before it was closed down in 1918 due to rising costs of labor and steel after

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. The quality of gold was low so

hydraulic mining Hydraulic mining is a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment.Paul W. Thrush, ''A Dictionary of Mining, Mineral, and Related Terms'', US Bureau of Mines, 1968, p.560. In the placer mining of ...

was used to take it from the ground. The site is now a

California Historical Landmark A California Historical Landmark (CHL) is a building, structure, site, or place in California that has been determined to have statewide historical landmark significance. Criteria Historical significance is determined by meeting at least one of ...

.noehill.com La Grange Mine
/ref>calisphere.org La Grange Mine
/ref> The name comes from the owner who bought it in 1893, the French baron Ernest de la Grange. He came from North of France with his wife (Clémentine de Chaumont Quitry) and his two children (Emilie and Amaury de la Grange) California Historical Landmark #778 reads: :''NO. 778 LA GRANGE MINE (HYDRAULIC) - This mine, originally known as the Oregon Mountain Group of Claims, first operated about 1862. In 1892 the mine was purchased by the La Grange Hydraulic Gold Mining Company, which brought water from Stuart's Fork through 29 miles of ditch, tunnels, and flume to deliver it to the mine pit under a 650-foot head. Over 100,000,000 yards of gravel were processed to produce $3,500,000 in gold. Large-scale operations ceased in 1918. ''

References

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External links

Snowcrest.net: The La Grange Mine

Dot.ca.gov: La Grange Historical Site
Gold mines in California Weaverville, California California Historical Landmarks History of Trinity County, California Buildings and structures in Trinity County, California 1862 establishments in California

See also

References

External links