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Bioturbated marine sandstone in Tuluvak Formation along west side of Nanushuk River on south side of Rooftop Ridge, Chandler Lake quadrangle

Figure 19. Bioturbated marine sandstone in Tuluvak Formation along west side of Nanushuk River on south side of Rooftop Ridge, Chandler Lake quadrangle. Photograph by D.W. Houseknecht.

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U.S. Department of the Interior, U.S. Geological Survey
URL: https://pubs.usgs.gov/pp/p1673/thumbnails/fig19.html
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