Kyan Khin Cement Mill
Cement Production in Tehachapi Historical Marker. May 25 2019 In 1920 the City of Los Angeles signed a five year lease with the Potash Company for the facility Later that year they produced 43 767 barrels of a newly formulated waterproof plastic cement In 1921 the plant name was changed to Monolith Portland Cement Company and the land and mill …