
Modoc National Forest and the Clear Lake National Wildlife Refuge dominate this high-desert borderland where California meets Oregon. The landscape is defined by volcanic features and critical water management, anchored by the expansive Clear Lake Reservoir and smaller catchments like Johnson Reservoir and Baker Reservoir. The terrain is marked by distinctive elevations such as Carr Butte and Squatty Butte, while the Lost River snakes across the northern boundary. Settlement is sparse, with the evocative name Fiddlers Green appearing near the refuge marshes. This area serves as a significant intersection of federal land management and natural resources, where ranching infrastructure and wildlife conservation coexist. The presence of routes like Carr Butte road and names such as Hopeless Pass and Cape Horne reflect the geographic challenges and history of navigation through this arid, remote basin.
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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
1889 · Klamath
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1894 · Klamath
USGS Topo · 1:250,000
1951 · Clear Lake Reservoir
USGS Topo · 1:62,500
1951 · Tulelake
USGS Topo · 1:62,500
1954 · Alturas
USGS Topo · 1:250,000
1955 · Klamath Falls
USGS Topo · 1:250,000
1957 · Malin
USGS Topo · 1:62,500
1958 · Alturas
USGS Topo · 1:250,000