1979 Map of Portola

This historical map portrays the area of Portola in 1979, primarily covering Plumas County as well as portions of Nevada. Featuring a scale of 1:100000, this map provides a highly detailed snapshot of the terrain, roads, buildings, counties, and historical landmarks in the Portola region at the time. Published in 1993, it is one of 2 known editions of this map due to revisions or reprints.