The U.S. Forest Service is preparing an environmental impact statement for a proposed coal mine in a remote Arkansas location near the Oklahoma border in the Ouachita National Forest.

Lead and zinc or are still produced in quantity in northeastern Oklahoma. Here is a yard at the Eagle-Picher Mining and Smelting Co. Central Mill in the center of Picher. (Original photo has no ...

The JV is owned 55 percent by Archean Group and 45 percent by Clean Coal Technologies. Through the JV partnership, a 1:10 scale commercial unit of the process is to be constructed in Oklahoma.

RALEIGH, N.C. – The country’s largest electric company is not providing online access to federally mandated maps showing the scope of disaster resulting if a coal-ash pit burst and spilled its ...