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Birchville, Sweetland, North San Juan, Cherokee, North Columbia, Lake City, North Bloomfield, Moore’s Flat, Graniteville, Milton, and Bowman Lake. The line was built for three mining companies, the Eureka Lake and Yuba Canal Company, the North Bloomfield Mining Company, and the Milton Mining and Water Company, in order to more effectively manage their ditches and flumes along the Ridge. The three companies owned and operated a total of over 320 miles of ditches and flumes, constructed at a cost of over $5 million. The phone line enabled them to precisely regulate the flow of water from the reservoirs high in the mountains, through the complicated system of flumes and ditches, to their gigantic hydraulic mining operations along the Ridge.
The results of the hydraulic mining operations which took place here from the 1850’s to 1884, are still visible along the road. Hillsides washed away created mini-canyons which reveal the layers of gravels laid down by the ancient river. Sunlight often catches and glitters off specks in these walls, drawing the attention of those driving by. Gold? - Information courtesy Malakoff.com
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