Glass Mtn and the striking volcanic topography of Glass Flow dominate this northern California landscape on the border of Siskiyou and Modoc counties. Situated within the Modoc National Forest, the terrain is defined by a series of prominent peaks and buttes, including Indian Butte, Cougar Butte, and Black Mtn. The map documents a high-altitude wilderness shaped by geologic activity and managed for forestry and conservation.
27 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 · Modoc Lava Bed
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1932 · Bartle
USGS Topo · 1:96,000
1939 · Bartle
USGS Topo · 1:125,000
1952 · Timber Mountain
USGS Topo · 1:62,500
1952 · Medicine Lake
USGS Topo · 1:62,500
1954 · Alturas
USGS Topo · 1:250,000
1958 · Alturas
USGS Topo · 1:250,000
1961 · Hambone
USGS Topo · 1:62,500
1962 · Alturas
USGS Topo · 1:250,000