
The Bear River corridor marks the transition from the valley floor to the foothills during the mid-1990s, dominated by the sprawling infrastructure of Beale Air Force Base and the Camp Far West Reservoir. This period captures the landscape just before significant modern development altered the rural interface between Yuba and Placer counties. Historical layers remain visible through the Camp Far West (Historic Site) and the Spenceville (Site), highlighting the area's legacy of early California settlement. Transportation history is preserved on the map by the Overland Emigrant Road and Emigrant Road, which cut through the eastern foothills. The Spenceville Wildlife and Recreation Area occupies much of the rugged northeastern quadrant, while smaller local landmarks like the Lofton Cem and Valley View Sch provide valuable points of reference for genealogists tracking family roots in the Thermalands region.
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This is the sole edition of this map. No revisions or reprints were ever made.
1888 · Smartsville
USGS Topo · 1:125,000
1891 · Sacramento
USGS Topo · 1:125,000
1891 · Smartsville
USGS Topo · 1:125,000
1892 · Sacramento
USGS Topo · 1:125,000
1892 · Smartsville
USGS Topo · 1:125,000
1893 · Sacramento
USGS Topo · 1:125,000
1894 · Smartsville
USGS Topo · 1:125,000
1895 · Smartsville
USGS Topo · 1:125,000
1910 · Sheridan
USGS Topo · 1:31,680
1910 · Lincoln
USGS Topo · 1:31,680