Little Porcupine Creek and its diverging branches define the landscape of this eastern Montana prairie in Valley County. The terrain is a network of coulees and ridges where the East Fork and West Fork meet, creating a drainage pattern that has long influenced ranching and rural navigation in the region. The map captures the quiet isolation of the Spring Valley area, where large-scale agricultural operations are linked by a sparse network of section-line roads such as Grain E Road and Pankratz Road. A notable point of infrastructure in this rural expanse is Olfert Airport, a private landing strip that underscores the importance of aviation in accessing these distant reaches of the plains. This survey reflects the enduring character of the Big Sky country, centered on the management of water and land within the township and range system.
13 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.
1910 · Todd Lakes
USGS Topo · 1:62,500
1915 · Todd Lakes
USGS Topo · 1:62,500
1915 · Spring Creek
USGS Topo · 1:62,500
1954 · Wolf Point
USGS Topo · 1:250,000
1954 · Glasgow
USGS Topo · 1:250,000
1957 · Glasgow
USGS Topo · 1:250,000
1958 · Wolf Point
USGS Topo · 1:250,000
1958 · Glasgow
USGS Topo · 1:250,000
1973 · Larslan
USGS Topo · 1:24,000
1973 · Haugens Hill
USGS Topo · 1:24,000