
The Modoc National Forest dominates the landscape of this Northern California borderlands survey, where the high desert terrain meets the southern edge of the Oregon-California boundary. Much of the southern portion of the quadrangle is occupied by the Clear Lake National Wildlife Refuge, centered on the expansive Clear Lake Reservoir. This area serves as a critical hydrological hub, featuring named water bodies such as Baker Reservoir, Sage Lake, and the seasonal wetlands of Walter Flat. The presence of the Lost River and springs like Fiddlers Green highlight the importance of water management and conservation in this arid region.
19 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
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