Martin County’s industrial contributions are known nationwide. One of the county’s largest deposits of gypsum, an ingredient in drywall, is located in Martin County. As early as 1818, tool-sharpening whetstones were processed from the rocks around Hindostan Falls on the East Fork of White River.
Martin County’s icon uses cast acrylic gypsum and cast silicon bronze with chrome plating to represent vertically layered strata split by a glittering stream. The chrome-coated bronze used for
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