Plaster City, 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.

[2] The quarry and supporting railroad were started in 1920 by Imperial Valley Gypsum and Oil Corporation founder Samuel Dunnaway, a pharmacist from San Diego,[2] then acquired by United States Gypsum in 1945.

[3] Plaster City is the southern terminus of the last industrial narrow gauge railroad in the United States.

[4][5][6] Plaster City is served by the former San Diego and Arizona Eastern Railway, owned by Union Pacific Railroad to the east and the San Diego Metropolitan Transit System to the west.

The Juan Bautista de Anza National Historic Trail runs through the OHV areas.