
Blue Mountain dominates the central landscape of this high-altitude border region where the Modoc National Forest meets the Oregon state line. The map captures a remote ranching and forest service interior characterized by isolated outposts like Grohs Ranch and Steele Swamp Ranch. Water management is central to the era's land use, evidenced by numerous named improvements such as Fourmile Reservoir, Picnic Grove Reservoir, and the Baseball Reservoir.
74 named features on this map. Tap any name to fly to it.
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2 editions found
1886 · Alturas
USGS Topo · 1:250,000
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
1892 · Alturas
USGS Topo · 1:250,000
1894 · Klamath
USGS Topo · 1:250,000
1951 · Clear Lake Reservoir
USGS Topo · 1:62,500
1952 · Hackamore
USGS Topo · 1:62,500
1954 · Alturas
USGS Topo · 1:250,000
1955 · Klamath Falls
USGS Topo · 1:250,000