Highly detailed pocket map of Plumas County, published by C.F. Weber.
The map shows early railroads, roads, wagon roads, mines, lakes, mills, and many other details.
Plumas County is an early California Gold Mining County. In 1850, the famous mountain man, James P. Beckwourth, discovered the lowest pass across the Sierra Nevada and the following year navigated a wagon trail for California-bound emigrants from western Nevada, through Plumas County, to the Sacramento Valley. In March of 1854, Plumas County was formed from the eastern and largest portion of Butte County with the town of Quincy chosen as the county seat.