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Marker detail: Boxed dynamite was passed by hand along the treacherous river face
Photographer: Columbia Historic Preservation Society, Columbia, PA
Caption: Marker detail: Boxed dynamite was passed by hand along the treacherous river face
Submitted: August 31, 2018, by Cosmos Mariner of Cape Canaveral, Florida.
Database Locator Identification Number: p443549
File Size: 2.043 Megabytes

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