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| Mount Washington | |
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| Elevation: | 7,795 ft (2,376 m) |
| Latitude: | 44° 19′ 55.65″ N |
| Longitude: | 121° 50′ 18.70″ W |
| Location: | Oregon, USA |
| Range: | Cascade Mountains |
| Type: | Shield volcano |
| Age of rock: | Pleistocene |
| First ascent: | 1923 by E. McNeal and party |
Mount Washington is a shield volcano in the Cascade Range of Oregon. The mountain dates to the late Pleistocene. However, it does have a line of basaltic andesite spatter cones on its northeast flank which are approximately 1,330 years old according to carbon dating.
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