Three years http://www.ifengyuan.tw/officeokpharmhkcom-f69e.pdf sarvearpharmaceuticals.co.in  In an April report, the U.S. Environmental Protection Agency(EPA) said a large scale open-pit mine in Alaska's unspoiledBristol Bay region would destroy up to 90 miles (145 km) ofsalmon and trout spawning streams, harm thousands of acres ofwetlands that support fish and subject local waters to chemicalspills and releases of untreated wastewater.