The S Fork Pit River valley in Modoc County defines this landscape, where early 21st-century agricultural patterns are sustained by an intricate network of irrigation infrastructure. The Westside Canal and Eastside Canal flank the river bottom, supporting a string of small settlements and family ranching sites such as Bormister, Derner, and Christensen. To the west, the terrain rises sharply into the high country of Crooks Canyon, where water sources like Sherlock Spring and Wade Williams Spring provide critical relief from the arid surroundings. The presence of specialized infrastructure like the McGarva Reservoir and McGarva Reservoir Two illustrates the long-standing management of water in this high-desert environment, while US Highway 395 serves as the primary artery connecting these isolated communities to the broader region.
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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 · Tule Mountain
USGS Topo · 1:24,000
1962 · Likely
USGS Topo · 1:62,500
1963 · Little Juniper Reservoir
USGS Topo · 1:24,000
1963 · Dorris Reservoir
USGS Topo · 1:24,000