The Flathead River defines the western reaches of this landscape, carving a wide arc through the valley floor before crossing the Lake County and Sanders County line. This 2017 survey reveals an intricate irrigation network essential to the region's agricultural character, including the Pablo A Canal, Pablo 70A Canal, and the Pablo 73A14 Ditch. These waterways feed into landmarks like the Horte Reservoir near the small settlement of Round Butte.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Flathead Lake
USGS Topo · 1:125,000
1956 · Wallace
USGS Topo · 1:250,000
1960 · Wallace
USGS Topo · 1:250,000
1964 · Buffalo Bridge
USGS Topo · 1:24,000
1964 · Melton Ranch
USGS Topo · 1:24,000
1964 · Polson
USGS Topo · 1:24,000
1964 · Lower Crow Reservoir
USGS Topo · 1:24,000
1965 · Sloan
USGS Topo · 1:24,000
1965 · Oliver Point
USGS Topo · 1:24,000
1965 · Irvine Hill
USGS Topo · 1:24,000