Columbia
Market InsightsColumbia is a town located in the Sierra Nevada foothills, in Tuolumne County, California, United States. It was founded as a boomtown in 1850 when gold was found in the vicinity, and was known as the "Gem of the Southern Mines."The town's historic central district is within the Columbia State Historic Park, which preserves the 19th century mining town features. The U.S.