
Anchor Bay and the coastal settlement of Gualala anchor this late-twentieth-century study of the Mendocino and Sonoma county line. The landscape is defined by the steep transition from the Pacific coastline to high ridges like Gualala Mtn and Signal Ridge. This era shows a persistent timber economy, with a Lumber Mill situated near the mouth of the Gualala River. Historic maritime access points such as Steens Landing, Collins Landing, and Bourns Landing appear along the shoreline, serving as reminders of the region's shipping history before modern road networks. Education and local industry are marked by the Seaside Sch and Wildwood Ranch, while the southern end of the sheet preserves the natural landscape at Gualala Point County Park. A dense network of gulches, including China Gulch and Robinson Gulch, drains the timbered uplands toward the sea.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Plantation
USGS Topo · 1:62,500
1943 · Point Arena
USGS Topo · 1:62,500
1943 · Stewarts Point
USGS Topo · 1:24,000
1943 · Ornbaun
USGS Topo · 1:62,500
1944 · Stewarts Point
USGS Topo · 1:31,680
1944 · Ornbaun
USGS Topo · 1:62,500
1947 · Santa Rosa
USGS Topo · 1:250,000
1949 · Santa Rosa
USGS Topo · 1:250,000
1958 · Santa Rosa
USGS Topo · 1:250,000
1960 · Saunders Reef
USGS Topo · 1:24,000