<P> The Powder River Basin is a geologic structural basin in southeast Montana and northeast Wyoming , about 120 miles ( 190 km ) east to west and 200 miles ( 320 km ) north to south , known for its coal deposits . The region supplies about 40 percent of coal in the United States . It is both a topographic drainage and geologic structural basin . The basin is so named because it is drained by the Powder River , although it is also drained in part by the Cheyenne River , Tongue River , Bighorn River , Little Missouri River , Platte River , and their tributaries . </P>
<P> The Powder River Basin is a geologic structural basin in southeast Montana and northeast Wyoming , about 120 miles ( 190 km ) east to west and 200 miles ( 320 km ) north to south , known for its coal deposits . The region supplies about 40 percent of coal in the United States . It is both a topographic drainage and geologic structural basin . The basin is so named because it is drained by the Powder River , although it is also drained in part by the Cheyenne River , Tongue River , Bighorn River , Little Missouri River , Platte River , and their tributaries . </P>
where is the powder river basin in wyoming
where is the powder river basin in wyoming
southeast Montana and northeast Wyoming , about 120 miles ( 190 km ) east to west and 200 miles ( 320 km ) north to south
southeast Montana and northeast Wyoming , about 120 miles ( 190 km ) east to west and 200 miles ( 320 km ) north to south