
The South Fork Trinity River carves a deep path through this Northern California landscape, serving as the primary geographic corridor between the Six Rivers National Forest and the Trinity National Forest. At the end of the 20th century, the area remained defined by its wilderness character, punctuated by isolated ranching outposts such as Manzanita Ranch, Lake Mountain Ranch, and Hog Ranch. Significant elevation changes are marked by Sims Mountain in the north and the prominent Last Chance Ridge to the south.
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This is the sole edition of this map. No revisions or reprints were ever made.
1909 · Big Bar
USGS Topo · 1:96,000
1914 · Pilot Creek
USGS Topo · 1:62,500
1915 · Big Bar and Vicinity
USGS Topo · 1:250,000
1922 · China Flat
USGS Topo · 1:62,500
1951 · Pilot Creek
USGS Topo · 1:62,500
1951 · Hyampom
USGS Topo · 1:62,500
1951 · Ironside Mountain
USGS Topo · 1:62,500
1952 · Willow Creek
USGS Topo · 1:62,500
1958 · Redding
USGS Topo · 1:250,000
1977 · Board Camp Mtn
USGS Topo · 1:24,000