Aetna Springs and the rural community of Pope Valley anchor this 2015 topography of the California Coast Ranges. The landscape is defined by its drainages and high points, such as Devils Head Peak and Snell Peak, which rise above a series of tucked-away valleys including Bohn Valley, Snell Valley, and Spanish Valley. A complex network of waterways, featuring Pope Cr, Butts Cr, and James Cr, carves through the terrain, eventually feeding toward the western edge of Lake Berryessa. This modern survey illustrates the persistent isolation of the region's historic settlements, connected by winding routes like Butts Canyon Rd and Snell Valley Rd. Small upland reservoirs such as Weeks Lake, Duvall Lake, and the tiered Upper Bohn Lake and Lower Bohn Lake dot the ridges, supporting the local agricultural and resort character of this Napa County hinterland.
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This is the sole edition of this map. No revisions or reprints were ever made.
1927 · Calistoga
USGS Topo · 1:62,500
1942 · St. Helena
USGS Topo · 1:62,500
1943 · Morgan Valley
USGS Topo · 1:62,500
1943 · Calistoga
USGS Topo · 1:62,500
1944 · Morgan Valley
USGS Topo · 1:62,500
1945 · Calistoga
USGS Topo · 1:62,500
1945 · St. Helena
USGS Topo · 1:62,500
1945 · Lower Lake
USGS Topo · 1:62,500
1947 · Santa Rosa
USGS Topo · 1:250,000
1949 · Santa Rosa
USGS Topo · 1:250,000