
Sierra Valley dominates this high-altitude landscape where the agricultural flats of eastern Plumas County meet the rising timber of the Plumas National Forest. The map documents a distinct cluster of settlements including Vinton, Chilcoot, and the census-designated area of Chilcoot-Vinton, each serving as vital hubs for the surrounding ranchlands. The intricate hydrology of the valley is captured through the branching channels of Little Last Chance Creek, including its north and east channels, which irrigate the valley floor before the terrain transitions into the steep relief of Whiskey Canyon and Trosi Canyon to the north.
39 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1890 · Sierraville
USGS Topo · 1:125,000
1892 · Sierraville
USGS Topo · 1:125,000
1894 · Sierraville
USGS Topo · 1:125,000
1950 · Chilcoot
USGS Topo · 1:62,500
1950 · Portola
USGS Topo · 1:62,500
1955 · Loyalton
USGS Topo · 1:62,500
1955 · Sierraville
USGS Topo · 1:62,500
1958 · Chico
USGS Topo · 1:250,000
1960 · Chico
USGS Topo · 1:250,000
1972 · Reconnaissance Peak
USGS Topo · 1:24,000