
The confluence of the Fall River and Pit River defines the agricultural and industrial landscape of this northeastern California valley. In 1990, the towns of Fall River Mills and McArthur serve as central hubs, connected by a network of levees and irrigation systems including the Mc Arthur Diversion Canal and Shelly Ditch. The presence of the Pit 1 Dam and Pit 1 Intake reflects the importance of water management and power generation to the local economy. To the north, the terrain transitions into the distinct volcanic features of Ahjumawi Lava Springs State Park, where Crystal Springs and Horr Pond sit at the edge of vast lava flows.
47 named features on this map. Tap any name to fly to it.
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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
1886 · Modoc Lava Bed
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1894 · Lassen Peak
USGS Topo · 1:250,000
1932 · Bartle
USGS Topo · 1:96,000
1935 · Burney
USGS Topo · 1:96,000
1939 · Burney
USGS Topo · 1:125,000
1939 · Halls Flat
USGS Topo · 1:125,000
1939 · Bartle
USGS Topo · 1:125,000