County: Franklin

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Photographer: John Charlton/KGS

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Short description: Buildex Inc. lightweight shale aggregate plant in Ottawa. The first Buildex plant, it began production in 1950. Buildex, Inc. produces expanded shale lightweight aggregate——a lightweight ceramic material produced by expanding and vitrifying shale in a rotary kiln. It used in the production masonry, concrete, and asphalt chip seals.

Hi-Resolution Version

Credit: This photo may be reproduced for non-commercial and educational purposes. When using this photo in a publication, website, or presentation, please credit Kansas Geological Survey. For information about use for commercial purposes, please contact the KGS editor.