GRAND RAPIDS, Mich. — Buried beneath 85 feet of Grand Rapids soil and bedrock lies a labyrinth — a maze of man-made and forgotten tunnels from the city's old gypsum-mining industry. Sealed off at the ...
STATEN ISLAND, N.Y. — The U.S. Gypsum Company operated a plant at 561 Richmond Terrace in New Brighton, producing fireproof drywall, plaster and paint. Due to the plant’s success, a conveyor system ...
NEWARK (CBS SF/BCN) – Despite efforts to rescue him, a worker died in a hopper accident at a Newark gypsum plant and distribution center Tuesday, according to the Alameda County Fire Department.
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