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Additional/Alternative Titles
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| Description / Synopsis |
Description / Synopsis
Photograph of an aggregate plant, set up in preparation for mixing concrete used to pour piers, walls and floor of the Davis Lock. The sign on the structure reads "Great Lakes Dredge and Dock Chicago…Buffalo,…Amherstburg."
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| Digital Origin |
Digital Origin
digitized other analog
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| Physical Location |
Physical Location
Superiorland Library Cooperative
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