
Missouri River carving through the heart of north-central Montana defines this 1953 survey, revealing a landscape of dramatic erosion and early extraction. Along the high breaks, evidence of small-scale industry appears at the Sexton Coal Mines and the Waldman Coal Mine, both noted as inactive by the mid-century. These sites, coupled with the Air Shaft in the northwest, point to an era of localized coal mining that once supported the surrounding homesteads and small settlements like Graceville.
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This is the sole edition of this map. No revisions or reprints were ever made.
1890 · Fort Benton
USGS Topo · 1:250,000
1892 · Fort Benton
USGS Topo · 1:250,000
1897 · Fort Benton
USGS Topo · 1:250,000
1953 · Last Chance Bench
USGS Topo · 1:24,000
1953 · Big Bend School
USGS Topo · 1:24,000
1953 · Pilot Rock
USGS Topo · 1:24,000
1954 · Great Falls
USGS Topo · 1:250,000
1954 · Dark Butte
USGS Topo · 1:24,000
1954 · Lewistown
USGS Topo · 1:250,000
1957 · Great Falls
USGS Topo · 1:250,000