The Missouri River carves a deep path through this section of Broadwater County, dictating the development of the small settlement at Toston. By the early 21st century, the area remained defined by its complex irrigation network, including the Lombard Canal, Toston Canal, and the Broadwater-Missouri West Side Canal. These systems allowed for agriculture in a landscape marked by arid features like Dry Hollow and Dry Creek.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Fort Logan
USGS Topo · 1:250,000
1948 · White Sulphur Springs
USGS Topo · 1:250,000
1949 · Radersburg
USGS Topo · 1:62,500
1949 · Toston
USGS Topo · 1:62,500
1950 · Townsend
USGS Topo · 1:62,500
1950 · Duck Creek Pass
USGS Topo · 1:62,500
1958 · White Sulphur Springs
USGS Topo · 1:250,000
1961 · White Sulphur Springs
USGS Topo · 1:250,000
1965 · White Sulphur Springs
USGS Topo · 1:250,000
1976 · Townsend
USGS Topo · 1:100,000