(Chaw’se Indian Museum, 12-sided, CA-03-01) at Indian Grinding Rock State Historical Park S. of Volcano, Amador County, CA. Main St. S. (curves E. & becomes Sutter Creek Rd.) 0.2 miles from jct with Consolation St. in Volcano, S. on Pine Grove Volcano Rd. 1.3 miles, E. & curves S. 0.2 miles to the parking lot. (N38 25.481 W120 38.492) Photo by Don Burnell 07-2002.