McBridy Spring serves as a quiet center point for this high-plains landscape in Chouteau County, where the topography of the Montana prairie is defined by drainage features like Hells Gulch and Hay Stack Coulee. The map reveals a land managed for water and livestock, anchored by the Three Pronged Fork Dam and White Elephant Reservoir to the north. A network of rural routes, including Genou Rd and Dent Bridge Rd, connects the scattered landmarks of this open country. In the southeastern portion of the quadrangle, Sample Flat and the Sample Flat Cemetery offer a focal point for genealogical research, documenting the enduring presence of local families near the prominent rise of Haystack Butte. The road system, from Ames Ranch Rd to Hurley Ln, traces the patterns of modern ranching life across this expansive terrain.
15 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 · Great Falls
USGS Topo · 1:250,000
1949 · Timber Coulee
USGS Topo · 1:62,500
1950 · Timber Coulee
USGS Topo · 1:62,500
1950 · Dent Bridge
USGS Topo · 1:62,500
1954 · Great Falls
USGS Topo · 1:250,000
1954 · Shelby
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000
1958 · Shelby
USGS Topo · 1:250,000
1970 · Carlson Coulee
USGS Topo · 1:24,000
1970 · Knees NE
USGS Topo · 1:24,000