Powder River (Yellowstone River)
Powder River | ||
Powder River in Johnson County |
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Data | ||
Water code | US : 789156 | |
location | Montana , Wyoming (USA) | |
River system | Mississippi River | |
Drain over | Yellowstone → Missouri → Mississippi → Gulf of Mexico | |
Confluence of |
Middle Fork and North Fork Powder River 43 ° 40 ′ 30 ″ N , 106 ° 30 ′ 45 ″ W |
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Source height | 1391 m | |
muzzle |
Yellowstone River Coordinates: 46 ° 44'0 " N , 105 ° 26'2" W 46 ° 44'0 " N , 105 ° 26'2" W. |
|
Mouth height | 683 m | |
Height difference | 708 m | |
Bottom slope | 1.2 ‰ | |
length | 603 km | |
Catchment area | 56,656 km² | |
Discharge at Moorhead A Eo gauge: 20,786 km² |
MQ 1930/2016 Mq 1930/2016 |
12.5 m³ / s 0.6 l / (s km²) |
Left tributaries | Crazy Woman Creek, Clear Creek | |
Right tributaries | Little Powder River | |
Small towns | Broadus | |
Location of the Powder River in the Yellowstone River system |
The Powder River is a 603-kilometer tributary of the Yellowstone River in southeastern Montana and northeastern Wyoming . He got the name Powder River because the sandbanks on the river resemble gunpowder.
The headwaters of the river are located in eastern Wyoming in the Bighorn Mountains . The Powder River arises at the confluence of the Middle Fork and North Fork Powder River near the village of Kaycee . After 603 kilometers it flows into the Yellowstone River.
Powder River County in Montana is named after the river .
In the basin of the river are the largest coal mine in the United States, the North Antelope Rochelle Complex and the older Black Thunder Mine . Together they provided 22% of total coal production in 2014.
Web links
Individual evidence
- ↑ Middle Fork Powder River in the Geographic Names Information System of the United States Geological Survey
- ^ A b Powder River in the Geographic Names Information System of the United States Geological Survey
- ↑ USGS 06324500 Powder River at Moorhead MT
- ^ NASA: Open-pit coal mine growth in Powder River Basin, Wyoming