
Upper Chewaucan Marsh dominates the western portion of this landscape, reflecting the intricate water management required for agriculture in this high desert region. The Chewaucan River flows through a network of artificial waterways, including the Outside Canal, Red House Ditch, and Stock Ditch, which support the ranching operations established here. Human activity is centered on the historic ZX Ranch Red House and the ZX Ranch Grain Camp, showcasing the specialized infrastructure of large-scale livestock operations. To the east, the terrain rises abruptly toward Coglan Buttes and the depths of Coglan Canyon, where the topography transitions from managed wetlands to volcanic uplands. Minor landmarks like Chinatown Pump and Shores Waterhole indicate the critical importance of specific water points in an otherwise arid environment.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Klamath Falls
USGS Topo · 1:250,000
1958 · Klamath Falls
USGS Topo · 1:250,000
1966 · Coglan Buttes NE
USGS Topo · 1:24,000
1966 · Morgan Butte
USGS Topo · 1:24,000
1966 · Tucker Hill
USGS Topo · 1:24,000
1966 · Coglan Buttes SE
USGS Topo · 1:24,000
1966 · Coglan Buttes
USGS Topo · 1:24,000
1966 · Paisley
USGS Topo · 1:24,000
1974 · Lake Abert
USGS Topo · 1:100,000
1985 · Sharp Top
USGS Topo · 1:24,000