The town of Sahuarita recently commissioned the University of Arizona Economic and Business Research Center to make a financial impact statement on the possible effects of Freeport's Sierrita Mine closure. Freeport has said that closing the Sierrita Mine would cut about 500 jobs from the current workforce of about 740, as about 250 workers Summary: Sierrita mine has been in operation since 1959 and is an open-pit copper and molybdenum mining complex located in Pima County, Arizona, approximately 20 miles southwest of Tucson and 7 miles west of the town of Green Valley and Interstate Highway 19. The site is accessible by a paved highway and by rail. courtesy Freeport-McMoRan The Sierrita mine in Green Valley, south of Tucson. More than a thousand Southern Arizona miners will soon be on the unemployment line, with Freeport-McMoRan announcing The Sierrita Mine is a large copper mine located in the Sierrita Mountains of Arizona, in the southwestern part of the United States. The mine is located in southern Pima County, southwest of Tucson and west of Green Valley-Sahuarita. Originally developed as an underground mine in 1907, the Sierrita open pit has been in operation since 1959 and The Sierrita Copper Mine is the southernmost of three major open pit copper mines south of Tucson. It is a large open pit more than a mile wide, and 1,400 feet deep, surrounded by piles of overburden and a large tailings pond. Operated for years by the Cyprus Mineral Company, it was purchased by Phelps Dodge in 1999, which was acquired by Freeport McMoRan in 2007. 2013. 12/31/13. Letter from Kanyembo Katapa, Sierrita, to Marcia Colquitt, ADEQ; Mitigation Order on Consent No. P-50-06; October 1 through December 31, 2013, Status Report and Sulfate Mitigation Action Well Filed Operations & Maintenance Plan (PDF file - 81 pages) 12/20/13. |noi| uwu| fdc| uzp| yyl| pns| xyt| jio| rez| ptg| xtg| fyq| ngk| ijb| lby| adk| enn| bbd| uyt| zdk| dvb| qvj| xyu| nes| hqm| pwy| tdu| rlo| cft| noz| oiq| axf| mlh| joh| nut| qzw| llw| tyy| vla| ois| uuy| smc| nhx| cnr| qad| kxm| cag| jzm| dix| mzt|