
Lava flows dominate this high-altitude landscape where the Siskiyou Co Modoc Co border crosses through the southern reaches of the Modoc National Forest. This 1993 field check documents a territory shaped by volcanic activity, featuring the prominent Glass Flow and the Burnt Lava Flow Geologic Area at its southern edge.
16 named features on this map. Tap any name to fly to it.
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2 editions found
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