
Lava Beds National Monument anchors this volcanic landscape, where the high-elevation terrain of Siskiyou County is defined by extensive lava flows and cinder cones. The map traces the rugged Schonchin Flow and Callahan Flow, revealing a complex geological history through features like The Castles and numerous named buttes. Evidence of the subterranean world is found in names like Merrill Ice Cave Rd and the Merrill Natural Bridge.
59 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
1950 · Mt. Dome
USGS Topo · 1:62,500
1951 · Tulelake
USGS Topo · 1:62,500
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
1962 · Alturas
USGS Topo · 1:250,000
1965 · Alturas
USGS Topo · 1:250,000