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Polygonal joints intersect on a steep dip slope erosionally stripped to near the base of an upper platy-jointed zone of member C, Huckleberry Ridge Tuff. Photograph by Robert L. Christiansen on 23 July 1970. |
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| U.S. Department of the Interior | U.S. Geological Survey URL: http://volcanoes.usgs.gov/yvo/gallery/huckleberry.html Contact Information: YVO Web Team Last Modification: Thursday, March 17, 2005 (dyv) |
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