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rchaeologists and researchers from the University of South Florida’s Alliance for Integrated Spatial Technologies (AIST) are working with state officials to help protect, preserve, and restore threatened historic sugar mill ruins in Florida. These structures are associated with the 18th and 19th century Florida sugar industry, and are made from coquina and/or lime rock and mortars, each of which face special issues of deterioration from weathering of their exposed surfaces.
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Previous restoration efforts used materials like Portland cement to repair coquina and limestone structures, methods now known to cause structural concerns such as cracking and fissuring of surface features.
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