
Industrial extraction and prairie drainage define this landscape near the western edge of Upton during the late 1970s and early 1980s. The map reveals a high concentration of resource activity, particularly around Bentley and Colloid, where numerous Clay Pits and extensive Bentonite Pits are documented alongside several gravel operations. This industrial footprint is interspersed with a complex network of seasonal waterways and draws, such as Stellwagon Draw and Brainard Draw, which feed into larger systems like Beaver Creek.
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This is the sole edition of this map. No revisions or reprints were ever made.
1918 · Moorcroft
USGS Topo · 1:125,000
1954 · Gillette
USGS Topo · 1:250,000
1955 · Newcastle
USGS Topo · 1:250,000
1955 · Gillette
USGS Topo · 1:250,000
1957 · Upton
USGS Topo · 1:62,500
1958 · Gillette
USGS Topo · 1:250,000
1958 · Newcastle
USGS Topo · 1:250,000
1962 · Gillette
USGS Topo · 1:250,000
1979 · Newcastle
USGS Topo · 1:100,000
1979 · Sundance
USGS Topo · 1:100,000