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Bentonitic shale with large concretions in upper part of Seabee Formation, east fork of Tuluga River

Figure 14. Bentonitic shale with large concretions in upper part of Seabee Formation, east fork of Tuluga River. View to west. Largest concretions are approximately 4 ft in diameter. Photograph by C.G. Mull.

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U.S. Department of the Interior, U.S. Geological Survey
URL: https://pubs.usgs.gov/pp/p1673/thumbnails/fig14.html
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Last modified: 16:05:02 Thu 01 Dec 2016
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