Lassen National Forest dominates the high-country landscape of northern California in this 2015 survey, where water management and forest service infrastructure define the terrain. The central prominence of Blacks Mtn and the adjacent Blacks Ridge are dotted with critical fire-prevention and monitoring points, including the Blacks Ridge Lookout. Numerous water sources are mapped throughout the timberland, ranging from natural seeps like Mud Spring and Gibbs Spring to man-made impoundments such as Corders Reservoir and Busters Reservoir. These water features likely served both historical grazing operations and modern fire suppression efforts.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Lassen Peak
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1894 · Lassen Peak
USGS Topo · 1:250,000
1939 · Halls Flat
USGS Topo · 1:125,000
1955 · Westwood
USGS Topo · 1:250,000
1956 · Harvey Mtn
USGS Topo · 1:62,500
1957 · Prospect Peak
USGS Topo · 1:62,500
1957 · Little Valley
USGS Topo · 1:62,500
1957 · Jellico
USGS Topo · 1:62,500
1958 · Westwood
USGS Topo · 1:250,000