Middle and South Sister, Oregon.jpg

Summary[ ]

Description
English: Middle Sister (left) and South Sister in the central Oregon Cascades
Date
Source http://vulcan.wr.usgs.gov/Volcanoes/Sisters/Images/framework.html
Author USGS/Cascades Volcano Observatory

Licensing[ ]

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the the official USGS copyright policy.

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