PDF-LIME(Data in thousand metric tons unless otherwise noted)

Domestic Production and UseIn 2014 an estimated million tons 21 million short tons of quicklime and hydrate was produced excluding commercial hydrators valued at about 22 billion At yearend. S mine production of copper in 2012 increased by 4 to about 115 million tons and was valued at about 9 billion Arizona Utah New Mexico Nevada and Montana in descending order of production accounted for more than 99 of domestic mine production copper Silver was produced at 3 silver mines and as a byproduct or coproduct from 39 domestic base and precious metal mines Alaska continued as the countrys leading silver producing State followed by Nevada There were 14 US refiners that indicated producti 6 billion was produced by 120 companies from 177 operations in 31 State s Leading States were in order of tonnage produced Wisconsin Illinois Texas Minnesota Oklahoma Arkansas Michigan and Iowa Combined production from these States accounted for 74 o Based on published market prices the value of primary metal production was 407 billion Aluminum consumption was centered in the East Central United States Transportation accounted for an estimated 36 of domestic consumption the remainder was used in The total value was estimated to be about 16 billion Twenty eight companies operated 61 plants in 16 States The estimated percentage of salt sold or used by type was salt in brine 46 rock salt 36 vacuum pan 11 and solar salt 7 The chemical industry 98 Domestic Production and UseIn 2013, magnesium was produced by one company at a 63,500tonperyear plant in Utah by an electrolytic process that recovered magnesium from brines from the Great Salt L 108 Domestic Production and UseThe United States had only one active nickel mine in 2013a greenfield, underground operation in Michigan. Contractors completed the main decline tunnel of the new chal 122 Domestic Production and UseIn 2013, the production value of marketable potash, f.o.b. mine, was about $649 million. Potash was produced in Michigan, New Mexico, and Utah. Most of the production 46 Domestic Production and Use Significant U.S. cobaltmine production has not been reported since 1971, and production of refined cobalt from imported nickelcoppercobalt matteceased in 1985. U.S. sup 70 Domestic Production and UseIn 2013, domestic production of crude gypsum was estimated to be 16.3 million tons with a value of about $130 million. The leading crude gypsumproducing States were, in 48 Domestic Production and UseIn 2014, U.S. mine production of copper increased by 10% to about 1.37 million tons, and was valued at about $9.7 billion. Arizona, Utah, New Mexico, Nevada, and Montan Domestic Production and UseIn 2014, the United States produced approximately 1,170 tons of silver with an estimated value of $718 million. Silver was produced at 3 silver mines and as a byproduct or 26 Domestic Production and UseIn 2014, bauxite consumption was estimated to be 9.6 million tons, nearly all of which was imported, worth an estimated 269 million dollars. More than 95% of the bauxit 301 Subgrade) Page 1 of 2 Arkansas Lime Company Batesville, AR Falco Lime, Division of Mississippi Lime Company Vicksburg, MS Lhoist North America of TX, LTD Clifton, TX Texas Lime Company Clebur