The northern plains of Phillips County are defined by a network of drainage channels and ranch roads in this 2011 survey. Water management is central to the landscape, anchored by the Olson Number 1 Dam which sits at the center of the sheet. The terrain is carved by the winding paths of Assiniboine Creek and Garland Creek, which follow the natural contours of the region. Transportation across these open spaces relies on routes like N Wagner Rd, reflecting the sparse, large-scale land use characteristic of north-central Montana. This map offers a clear look at the hydraulic and infrastructure features maintained by local landholders and the U.S. Geological Survey in the early 21st century.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Avery
USGS Topo · 1:125,000
1920 · Cowan
USGS Topo · 1:125,000
1953 · Havre
USGS Topo · 1:250,000
1954 · Glasgow
USGS Topo · 1:250,000
1957 · Glasgow
USGS Topo · 1:250,000
1957 · Havre
USGS Topo · 1:250,000
1958 · Glasgow
USGS Topo · 1:250,000
1958 · Havre
USGS Topo · 1:250,000
1964 · Dodson NE
USGS Topo · 1:24,000
1964 · Dodson
USGS Topo · 1:24,000