Pabco Gypsum is a vertically integrated mining and manufacturing plant of gypsum board — also known as wallboard, drywall, Sheetrock — east of Las Vegas, Nevada. The 4,000 acre (16.2 km²) complex includes the gypsum mine, ore processing, and the gypsum board manufacturing plant. Pabco Gypsum produces 110 million square meters of gypsum board annually — enough to build 120,000 new homes. … read more