
Lava Beds National Monument anchors the central portion of this 1980s-era study, showcasing a landscape defined by volcanic geology and reclaimed wetlands. The northern border follows the Oregon-California state line, where the complex hydrology of the Lower Klamath and Tule Lake systems is clearly visible. These areas reflect a decades-long history of water management for agriculture and conservation in the Butte Valley and beyond.
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2 editions found
1886 · Alturas
USGS Topo · 1:250,000
1886 · Modoc Lava Bed
USGS Topo · 1:250,000
1886 · Shasta
USGS Topo · 1:250,000
1889 · Klamath
USGS Topo · 1:250,000
1891 · Ashland
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000
1893 · Ashland
USGS Topo · 1:250,000
1894 · Klamath
USGS Topo · 1:250,000
1894 · Shasta
USGS Topo · 1:250,000