DY Junction serves as the focal point of this Phillips County landscape, where the road network converges amidst a complex system of prairie waterways. The drainage pattern is dominated by the winding course of Siparyann Creek, which is joined by numerous tributaries including Mud Creek and Little Cottonwood Creek. This 2011 survey reveals a territory shaped by water management and conservation, anchored by Phillips Reservoir and the Phillips Dam in the northeast. Elevation changes are marked by distinct landforms such as Thornhill Butte and Hay Coulee, providing topographic contrast to the surrounding plains. The presence of the CMR Auto Nature Tour Rd indicates the area's significance for wildlife observation and public access to the Montana backcountry, while smaller routes like D R E St provide local transit across the drainage of Duval Creek.
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This is the sole edition of this map. No revisions or reprints were ever made.
1943 · Landusky
USGS Topo · 1:125,000
1954 · Bell Ridge East
USGS Topo · 1:24,000
1954 · Bell Ridge West
USGS Topo · 1:24,000
1954 · Grand Island
USGS Topo · 1:24,000
1954 · Lewistown
USGS Topo · 1:250,000
1959 · Lewistown
USGS Topo · 1:250,000
1971 · Crazyman Coulee
USGS Topo · 1:24,000
1971 · Hays
USGS Topo · 1:24,000
1971 · Hays SE
USGS Topo · 1:24,000
1971 · Zortman
USGS Topo · 1:24,000