
Pit River winds through the southern reaches of this landscape, carving a path through the volcanic terrain of the Modoc National Forest. The geography is defined by a transition from the elevated peaks of Washington Mountain and Westlake Butte down into the broader flats of Garden Valley and Warm Springs Valley. In the early 1990s, when these revisions were field-checked, the area maintained a rugged character dominated by drainage gulches like Howards Gulch and Shake Canyon. Human presence is sparse but concentrated along the water, visible at the Canby Bridge and the Gaging Station on the river. The abundance of named water sources, such as Gosch Spring and Westlake, suggests the critical importance of these springs to local ranching and forest management in a region otherwise marked by seasonal aridity and deep canyons.
32 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Alturas
USGS Topo · 1:250,000
1886 · Modoc Lava Bed
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000
1952 · Hackamore
USGS Topo · 1:62,500
1954 · Alturas
USGS Topo · 1:250,000
1958 · Alturas
USGS Topo · 1:250,000
1961 · Canby
USGS Topo · 1:62,500
1962 · Alturas
USGS Topo · 1:250,000
1962 · Crank Mountain
USGS Topo · 1:62,500