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USG has a large gypsum plant located 17 miles (27 km) west of El Centro, California, along highway Interstate 8, at Plaster City. [25] The Plaster City location makes Sheetrock brand gypsum panels. The gypsum is mined from a quarry located 20 miles (32 km) to the north, in the Fish Creek Mountains of Imperial County. The quarry is estimated to ...
Plaster City, California is a company town with a large gypsum quarry and plant owned by United States Gypsum (USG) [1] in Imperial County, California.It is located 17 miles (27 km) west of El Centro, [1] at an elevation of 105 feet (32 m), a two-hour drive south of Palm Springs, or a 90 minute drive east from San Diego.
In mid-2016, U.S. Gypsum sold the town and the mine to the Empire Mining Company, [14] [15] thus workers began to move back into the town to work under the new mine owners. Since 2016, both the mine and the town have been partially reopened by the new owners of the mine, with a total population of 65 (2021). [16] [3]
In the 1970s, after switched to processing synthetic gypsum, the company abandoned the mine, which eventually flooded. [4] Despite abandoning its gypsum mine, USG continues to operate an adjacent manufacturing plant, trucking in the synthetic gypsum used to manufacture drywall. In 1999, the company expanded the plant, adding a Fiberock line. [6]
The gypsum deposit at Lake MacDonnell is the largest in the Southern Hemisphere. Gypsum has been mined at Lake MacDonnell since 1919. [3] Since 1984 the mine has been owned by Gypsum Resources Australia (GRA), which is owned 50% each by USG Boral (itself a 50–50 joint venture of USG Corporation and Boral) and CSR Limited.
Nearby Empire was a company town of the United States Gypsum Corporation (USG) until the plant closed on January 31, 2011, eliminating 95 jobs. [14] [15] In 2016, the town of Empire was purchased by the Empire Mining Company, who have re-opened gypsum mining operations, and have begun to rehabilitate the houses in town. [16]
Aerial view of the desert area east of Joshua Tree National Park, including (at the far right) the abandoned gypsum mine Standard Mine and its associated company/ghost town of Midland, California. Midland is a ghost town in Riverside County in the southeastern part of the U.S. state of California.
The Gypsum Cave Mine is a gypsum-anhydrite and uranium mine located in Clark County, Nevada, United States, on the Intermontane Plateaus, 12 miles (19 km) east of North Las Vegas. [ 1 ] [ 2 ] Description