Pinnacle Glacier (Mount Adams)
Pinnacle Glacier is located on the west slopes of Mount Adams a stratovolcano in Gifford Pinchot National Forest in the U.S. state of Washington.[3] The glacier descends from approximately 10,000 ft (3,000 m) to a terminus near 7,200 ft (2,200 m).[3] Pinnacle Glacier lost 7 percent of its surface area between 1904 and 2006.[2]
| Pinnacle Glacier | |
|---|---|
 Pinnacle Glacier in the large cirque on the right side of the mountain. | |
  Pinnacle Glacier  Pinnacle Glacier | |
| Type | Mountain glacier |
| Location | Mount Adams, Yakima and Skamania Counties, Washington, USA |
| Coordinates | 46°12′25″N 121°31′43″W[1] |
| Area | 1.41 km2 (0.54 sq mi) in 2006[2] |
| Length | 1.2 mi (1.9 km) |
| Terminus | Talus |
| Status | Retreating |
Pinnacle Glacier was named by Harry Fielding Reid during his survey of Mount Adams' glaciers with C. E. Rusk in 1901.[4]
References
- "Pinnacle Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2012-11-11.
- Sitts, Danielle; Andrew G. Fountain; Matthew J. Hoffman (2010). "Twentieth Century Glacier Change on Mount Adams, Washington, USA" (pdf). Northwest Science. Northwest Scientific Association. 84 (4): 378–385. doi:10.3955/046.084.0407. Retrieved 2012-11-11.
- Mount Adams West, WA (Map). TopoQwest (United States Geological Survey Maps). Retrieved 2012-11-11.
- Rusk, Claude Ewing (1978) [1924]. Tales of a Western Mountaineer (1st ed.). Seattle, Washington: The Mountaineers. ISBN 0-916890-62-7. LCCN 78054427. OCLC 4667368. OL 11004497M. Retrieved March 29, 2016.
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