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| Date: | 08 09 1927 |
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| Description: | Men working along a road with a modified McCormick-Deering 10-20 industrial tractor with attached trailor and post hole digging rig. The men work for Shipp... |
| Date: | 1950 |
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| Description: | Aerial view of a hydroelectric power plant owned by Northern States Power Company located on the Chippewa River. A highway bridge and a railroad bridge spa... |
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