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An Entity of Type : prov:Entity, within Data Space : webisadb.webdatacommons.org associated with source dataset(s)

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  • In 1939, the sales value of gypsum products was approximately $42,000,000, of which $23,000,000 was accounted for by gypsum board (plasterboard, lath, and wallboard), $17,000,000 by gypsum plaster and the remainder by gypsum block and tile and other products.
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