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Kensico reservoir. Travelling stiff-leg derricks for handling masonry for the dam. Tracks supported by blocks forming facing of expansion joints. Contract 9. July 23, 1914.

Kensico reservoir. Travelling stiff-leg derricks for handling masonry ...

Public domain scan of artwork related to technological or industrial history, free to use, no copyright restrictions image - Picryl description

Old house being moved to make room for expansion of Arden Farms Creamery. San Diego, California

Old house being moved to make room for expansion of Arden Farms Creame...

Picryl description: Public domain historical photograph of 1930s America during the Great Depression, free to use, no copyright restrictions image.