The Wheatfield Fork Gualala River carves through the heavily ridged landscape of northwestern Sonoma County, where steep terrain historically limited development to small flats and clearings. In this 2018 survey, the tiny settlement of Las Lomas sits along the Stewarts Point Skaggs Springs Rd corridor, serving as a rare anchor in a region defined by complex topography. Named landmarks like Quicksilver Flat hint at the area's mercury mining history, while Bull Opening and Eddicut Flat suggest pockets of grazing or early homesteading amidst the timbered slopes. The land is defined by a dense network of high ridges, including Lyle Ridge and Black Oak Ridge, with numerous seasonal water sources such as Johnny Brown Springs and Yellowjacket Spring providing essential hydrology for the remote backcountry near Centennial Mtn.
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This is the sole edition of this map. No revisions or reprints were ever made.
1921 · Skaggs
USGS Topo · 1:62,500
1921 · Plantation
USGS Topo · 1:62,500
1938 · Hopland
USGS Topo · 1:62,500
1943 · Tombs Creek
USGS Topo · 1:24,000
1943 · Plantation
USGS Topo · 1:24,000
1943 · Cazadero
USGS Topo · 1:24,000
1943 · Annapolis
USGS Topo · 1:24,000
1943 · Skaggs Springs
USGS Topo · 1:24,000
1943 · Fort Ross
USGS Topo · 1:24,000
1943 · Hopland
USGS Topo · 1:62,500