Identify the two native American nations that had extensive coal deposits

According to a report by the Revenue Watch Institute, indigenous lands contain about 30% of the coal found west of the Mississippi, up to 50% of potential uranium reserves, and up to 20% of known natural gas reserves. Petroleum. Robert Middleton, former director of the Office of Energy and Indigenous Economic Development, estimated that "these lands contain more than 5 billion barrels of oil, one billion cubic meters of natural gas and 53 billion tons of coal that are technically recoverable with current technologies."

The Native American nations that are in this territory are tribes mostly of the muskogi linguistic trunk (creek, choctaw, chickasaw, seminole, alibamu, apalachee, hitchiti), Cherokee (Iroquois language), catawba, waccamaw and Sioux language tutelo, caddo and other related groups such as houma, natchez, tunica, ofo, chitimacha, biloxi, chackchiuma, tohome, mobile, chatot, ais, timucua, calusa tekesta, yamasee, cusabo and tacobega.