Portola serves as the focal point of this mountainous region, situated along the Middle Fork Feather River where the Western Pacific railroad tracks parallel the water. The landscape is defined by the high peaks and timbered slopes of the Plumas National Forest, including the prominent Beckwourth Peak. To the north, Lake Davis and its surrounding meadows like Burnham Meadow contrast with the broad expanse of Sierra Valley to the east. The map captures small communities and historical sites such as Beckwourth, Delleker, and Iron Horse, alongside local landmarks including Shady Grove Cem and Whispering Pines Cem. The road network, including the Beckwourth Genesee Rd, winds through valleys like Humbug Valley and over passes like Carman Saddle, reflecting the intersection of logging, rail transit, and mountain settlement.
89 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
1891 · Downieville
USGS Topo · 1:125,000
1892 · Sierraville
USGS Topo · 1:125,000
1893 · Downieville
USGS Topo · 1:125,000
1894 · Sierraville
USGS Topo · 1:125,000
1895 · Downieville
USGS Topo · 1:125,000
1896 · Downieville
USGS Topo · 1:125,000
1897 · Downieville
USGS Topo · 1:125,000
1937 · Blairsden
USGS Topo · 1:48,000
1943 · Blairsden
USGS Topo · 1:62,500