Question: where are rocky mountains located on a map

title: Rocky Mountains
text: The Rocky Mountains contain several sedimentary basins that are rich in coalbed methane . Coalbed methane is natural gas that arises from coal , either through bacterial action , or through exposure to high temperature . Coalbed methane supplies 7 percent of the natural gas used in the United States . The largest coalbed methane sources in the Rocky Mountains are in the San Juan Basin in New Mexico and Colorado and the Powder River Basin in Wyoming . These two basins are estimated to contain 38 trillion cubic feet of gas . Coalbed methane can be recovered by dewatering the coal bed , and separating the gas from the water ; or injecting water to fracture the coal to release the gas ( so - called hydraulic fracturing ) .