
The Blooming Valley Coal Field dominates the northern portion of this Divide County landscape, signaling the region's industrial ties to lignite mining during the late 1940s. A single Strip Mine is marked in the northeast corner, while the surrounding terrain transitions from the low-lying Blooming Valley into the elevated Upland and Border areas.
11 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.
1947 · Noonan
USGS Topo · 1:24,000
1949 · Columbus SW
USGS Topo · 1:24,000
1949 · Paulson
USGS Topo · 1:24,000
1949 · Atcoal
USGS Topo · 1:24,000
1949 · Noonan SW
USGS Topo · 1:24,000
1949 · Noonan
USGS Topo · 1:24,000
1950 · Columbus
USGS Topo · 1:62,500
1950 · Noonan
USGS Topo · 1:62,500
1953 · Williston
USGS Topo · 1:250,000
1957 · Williston
USGS Topo · 1:250,000