Founded February 18, 1850. Became county seat of Calaveras County. Old court house, said to be constructed of lumber brought from China, is still standing but not on the original site. — — Map (db m149318) HM
Gwin Mine, Paloma, and Lower Rich Gulch were mined for placer in 1849. Quartz was discovered by J. Alexander in 1851. Property acquired by Wm. M. Gwin, California's first U.S. Senator, in 1851. The Gwin Mine closed, in 1908, yielded millions. — — Map (db m14449) HM
The original three foot narrow gauge line was built by the San Joaquin & Sierra Nevada Railroad, extending from Brack’s Landing on the Mokelumne River, east to Valley Springs. The depot and turntable were built around the time of completion of the . . . — — Map (db m10635) HM
