The World of Gypsum | Operations | Mining Global
Since 1956, Harrison Gypsum has been a prominent figure in the gypsum mining sector. The company has made a name for itself by maintaining a consistent and high level of product quality. They operate four gypsum mines in Okloma, one mine in North Texas and three limestone mines – two in Okloma and one in South Kansas. The company also operates a number of hard rock quarries and pits in ...