The Milk River corridor defines the southern edge of this Valley County landscape, where the Vandalia Diversion Dam serves as a significant hydraulic anchor for regional irrigation. This water management network extends north through the prairie, marked by various small-scale structures such as Kielman Dam and Morgan Number 1 Dam. The terrain is characterized by a series of drainage features, notably Ellsworth Coulee, Lund Coulee, and Hall Coulee, which channel seasonal runoff toward the river. Localized water sources like Whitbread Springs and the uniquely named Confusion Reservoir provide essential points of interest in an otherwise sparse drainage system. The transportation network is primarily composed of section-line roads, including Vandalia Rd and Britch Rd, which connect the scattered agricultural improvements and natural landmarks of the northern Montana plains.
18 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.
1906 · Hinsdale Special Map
USGS Topo · 1:62,500
1919 · Boundary
USGS Topo · 1:125,000
1943 · Glasgow
USGS Topo · 1:125,000
1954 · Glasgow
USGS Topo · 1:250,000
1957 · Glasgow
USGS Topo · 1:250,000
1958 · Glasgow
USGS Topo · 1:250,000
1969 · Tampico
USGS Topo · 1:24,000
1969 · Vandalia
USGS Topo · 1:24,000
1969 · Tampico NE
USGS Topo · 1:24,000
1969 · Ellsworth Coulee
USGS Topo · 1:24,000