Website Links

The following are some external resources.
Wikipedia

Google

California State Parks/Columbia State Historic Park
http://www.parks.ca.gov/?page_id=552

Columbia Chamber of Commerce
https://www.columbiachamber.com/

Columbia City Hotel
https://www.parks.ca.gov/?page_id=28004

City of Sonora, California
www.sonoraca.com

Tuolumne County Visitors Bureau
https://www.visittuolumne.com/ 

Calaveras Big Trees State Park
http://www.parks.ca.gov/?page_id=551

Railtown 1897
http://www.railtown1897.org/

Indian Grinding Rock State Historic Park
https://www.parks.ca.gov/?page_id=553