Big Spring and Castle Spring emerge from the complex hydrology of Fergus County, forming the headwaters for a network of drainages that define this central Montana landscape. The southern portion of the quadrangle is dominated by the system of Big Spring Cr and E Fork Big Spring Cr, where Fish Hatchery Rd suggests a specialized use of these clear water sources. To the north, the terrain transitions into a series of distinctive landforms including Limekiln Canyon and the prominent Kelly Hill. Historical transportation routes are evident in the presence of the Gilt Edge Stage Rd, which cuts across the drainage of Ruby Gulch and Boyd Cr. The map details a transition from the lower creek bottoms to the more elevated features of Blind Breed Gulch, capturing the rural character and water-dependent geography of the region.
73 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.
1889 · Big Snowy Mountain
USGS Topo · 1:250,000
1893 · Big Snowy Mountain
USGS Topo · 1:250,000
1941 · Lewistown
USGS Topo · 1:62,500
1941 · Judith Peak
USGS Topo · 1:62,500
1944 · Lewistown
USGS Topo · 1:62,500
1944 · Judith Peak
USGS Topo · 1:62,500
1954 · Roundup
USGS Topo · 1:250,000
1954 · Lewistown
USGS Topo · 1:250,000
1958 · Roundup
USGS Topo · 1:250,000
1959 · Lewistown
USGS Topo · 1:250,000