
Ornbaun Valley and its surrounding ranchlands characterize this portion of the Mendocino and Sonoma county line during the early 1940s. The landscape is defined by the headwaters of the Garcia River and the North Fork Gualala River, where remote family operations like the Mialliard Ranch, Gianoli Ranch, and Pardaloe Ranch were established along rugged creek drainages. Of particular historical interest is the Old Ornbaun Hot Springs, located north of the Hibberd Ranch, suggesting a legacy of early California resort culture tucked into these coastal hills. The map also reveals the presence of the Halvetian Gun Club near Buck Pk, pointing to the area's long-standing use for recreation and hunting. In the northeast, the settlement of Yorkville sits along the road to Anderson Valley, serving as a vital connection point between these isolated ranching valleys.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Ukiah
USGS Topo · 1:62,500
1921 · Skaggs
USGS Topo · 1:62,500
1921 · Plantation
USGS Topo · 1:62,500
1938 · Hopland
USGS Topo · 1:62,500
1943 · Point Arena
USGS Topo · 1:62,500
1943 · Tombs Creek
USGS Topo · 1:24,000
1943 · Boonville
USGS Topo · 1:62,500
1943 · Navarro
USGS Topo · 1:62,500
1943 · Stewarts Point
USGS Topo · 1:24,000
1943 · Annapolis
USGS Topo · 1:24,000