Knoxville serves as the primary point of settlement in this northern California landscape, situated along the winding course of Knoxville Cr. The area is characterized by a complex network of seasonal drainages, including Zim Zim Cr, Eticuera Cr, and Foley Cr, which carve through the prominent topography of the Blue Ridge and Buck Mountain. This survey reflects the region's ranching and aviation history, notably featuring the Mysterious Valley Airport tucked within Mysterious Valley to the southwest.
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This is the sole edition of this map. No revisions or reprints were ever made.
1924 · Capay
USGS Topo · 1:62,500
1942 · St. Helena
USGS Topo · 1:62,500
1943 · Morgan Valley
USGS Topo · 1:62,500
1943 · Capay
USGS Topo · 1:62,500
1944 · Morgan Valley
USGS Topo · 1:62,500
1945 · Capay
USGS Topo · 1:62,500
1945 · Rumsey
USGS Topo · 1:62,500
1945 · St. Helena
USGS Topo · 1:62,500
1947 · Santa Rosa
USGS Topo · 1:250,000
1949 · Santa Rosa
USGS Topo · 1:250,000