
The XL Ranch Indian Reservation dominates the eastern half of this landscape, where the North Fork Pit River carves a path through the high desert of Modoc County. In the early 1990s, the area's agricultural and transit infrastructure is clearly visible, from the Alturas Agr Insp Sta and Surprise Station to the complex water management system of the Diversion Dam and Flume. Significant local landmarks include the Chimney Rock Historical Mon and high-altitude water sources like Mud Lake Reservoir and Griener Reservoir. The map illustrates a region defined by ranching and resource management, with remote outposts like Joseph Creek Ranch and various Gravel Pits scattered near the Modoc National Forest boundary.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Alturas
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000
1954 · Alturas
USGS Topo · 1:250,000
1958 · Alturas
USGS Topo · 1:250,000
1961 · Alturas
USGS Topo · 1:62,500
1962 · Alturas
USGS Topo · 1:250,000
1962 · Davis Creek
USGS Topo · 1:62,500
1962 · Big Sage Reservoir
USGS Topo · 1:62,500
1963 · Shields Creek
USGS Topo · 1:24,000
1963 · Dorris Reservoir
USGS Topo · 1:24,000