
The volcanic landscape of the southern Cascade foothills dominates this region, anchored by the prominent Inskip Hill and the nearby Inskip Caves. The terrain is deeply incised by drainages such as De Haven Gulch and Paynes Creek, reflecting a geology defined by the Hogback Ridge. This area serves as a significant conservation corridor, with much of the land managed within the Tehama State Wildlife Area and the western edge of the Lassen National Forest.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Lassen Peak
USGS Topo · 1:250,000
1890 · Red Bluff
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1894 · Lassen Peak
USGS Topo · 1:250,000
1894 · Red Bluff
USGS Topo · 1:250,000
1905 · Tehama
USGS Topo · 1:62,500
1935 · Paynes Creek
USGS Topo · 1:96,000
1941 · Mineral
USGS Topo · 1:125,000
1944 · Tuscan Buttes
USGS Topo · 1:62,500
1947 · Tuscan Buttes
USGS Topo · 1:62,500