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Knox College Railroads in the Midwest: Early Documents and Images (Knox College)
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Creator
Green, Allen A. (2)

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Block signal: working in tower
1. Block signal: working in tower
Block signal: working outside
2. Block signal: working outside
Galesburg car retarder yard
3. Galesburg car retarder yard
Galesburg car retarder yard
4. Galesburg car retarder yard
Switch layout, Galesburg railyard
5. Switch layout, Galesburg railyard
   
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