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  Three Sisters
 

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North Sister
Volcano Type: Stratovolcano atop Shield Volcano.
Elevation: 3,074 meters, 10,085 feet.
Latest Volcanic Activity: About 2000 years ago.

Middle Sister
Volcano Type: Stratovolcano.
Elevation: 3,062 meters, 10,047 feet.
Latest Volcanic Activity: About 2000 years ago.

South Sister
Volcano Type: Stratovolcano.
Elevation: 3,157 meters, 10,358 feet.
Latest Volcanic Activity: About 2000 years ago.

shaded digital elevation model of Three Sisters

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Last modified:  September 17, 2009  11:29
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