Walter Springs serves as the focal point of this 2018 Napa County terrain study, where the intersection of Pope Canyon Rd and Dollarhide Rd marks the valley floor. The landscape is defined by its deep drainages and named depressions, including Mysterious Valley to the northwest—served by the Mysterious Valley Airport—and Spanish Valley to the west. These secluded basins are separated by significant elevations such as Adams Ridge and Turner Mtn.
33 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.
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