
Benton Lake National Wildlife Refuge dominates this landscape along the border of Chouteau Co and Cascade Co. This mid-century survey illustrates an environment defined by water management and conservation, where multiple water control structures including Spillway Elev 3624 and Spillway Elev 3622 regulate the levels of Benton Lake. The presence of the Swall School and the historic Bootlegger Trail provides evidence of the rural community that persisted alongside these large-scale reclamation efforts. Beyond the lake bed, the terrain is marked by industrial activity such as a Gravel Pit and various Prospects, while a massive Pipeline cuts across the northern prairie. The map's detail, updated through the early 1990s, documents the specific engineering of the Road On Levee system that traverses the refuge wetlands.
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2 editions found
1886 · Great Falls
USGS Topo · 1:250,000
1948 · Portage
USGS Topo · 1:62,500
1949 · Portage
USGS Topo · 1:62,500
1949 · Timber Coulee
USGS Topo · 1:62,500
1949 · Great Falls
USGS Topo · 1:62,500
1950 · Timber Coulee
USGS Topo · 1:62,500
1950 · Dent Bridge
USGS Topo · 1:62,500
1951 · Great Falls
USGS Topo · 1:62,500
1954 · Great Falls
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000