90 million tons, and masonry cement production continued to remain steady at 2.4 million tons. Cement was produced at 96 plants in 34 States, and at 2 plants in Puerto Rico. Texas, Missouri, California, and Florida were, in ... mine and mill, numbere 12,500 12,300 12,500 12,200 12,300 Net import reliance4 as a percentage of apparent consumption ...