"Fort Sage Special Recreation Management Area" by Bureau of Land Management California , public domain

Plumas MVUM

Portola 2013

Motor Vehicle Use Map (MVUM) of Portola in Plumas National Forest (NF). Published by the U.S. Forest Service (USFS).

Motor Vehicle Use Map (MVUM) of Portola in Plumas National Forest (NF). Published by the U.S. Forest Service (USFS).

also available

National Parks
USFS NW