The Shirley Letters is a California Classic. Taking place just up Highway 70 at Rich Bar and Indian Bar. This collection of well written and descriptive letters talks about coming to California, in Sept 1851. It is an interesting and easy read account of the mining sites and is so close to home you can drive up Highway 70, where the historical marker is located and look down on the historic Rich Bar site in a matter of minutes. The text of the 23 letters dating from 1851 and 1852 are included in this 179 page book.
This is a must read on California history in our own backyard!