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Petrified Forest National Park, Arizona; Clays capped by conglomeratic sandstone, the logs occur in the sandstone. 1905. Plate 8-A in U.S. Geological Survey. Bulletin 435. 1910.
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Petrified Forest National Park, Arizona. Petrified logs on Lithodendron Wash. 1913.
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Petrified Forest National Park, Arizona. Sections of a large tree, 5.5 feet or more in diameter, lying in volcanic ash about 6 miles south of Adamana.
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Petrified Forest National Park, Arizona. Petrified log on Lithodendron Wash. 1913.


    map background search result map search result map The Cannon, Petrified Forest National Park, Arizona. Petrified Forest National Park, Arizona. Petrified logs on Lithodendron Wash. 1913. Petrified Forest National Park, Arizona. Petrified log on Lithodendron Wash. 1913. Petrified Forest National Park, Arizona. Painted Desert (Triassic mudstone). 1951. Petrified Forest National Park, Arizona. Cross-bedded Triassic Sandstone above Permian Sandstone. 1951. Petrified Forest National Park, Arizona; Clays capped by conglomeratic sandstone, the logs occur in the sandstone. 1905. Petrified Forest National Park, Arizona. Geographers on petrified log "The Bridge" near Adamana. 1904. Petrified Forest National Park, Arizona. Geographers on petrified log "The Bridge" near Adamana. Circa 1904. Petrified Forest National Park, Arizona. End of a petrified log of the third forest. Petrified Forest National Park, Arizona. Petrified logs from the third forest. Petrified Forest National Park, Arizona. Remains of the second forest. Petrified Forest National Park, Arizona. Standing fossilized tree. No date. Petrified Forest National Park, Arizona. Sections of a large tree, 5.5 feet or more in diameter, lying in volcanic ash about 6 miles south of Adamana. The Cannon, Petrified Forest National Park, Arizona. Petrified Forest National Park, Arizona. Petrified logs on Lithodendron Wash. 1913. Petrified Forest National Park, Arizona. Petrified log on Lithodendron Wash. 1913. Petrified Forest National Park, Arizona. Painted Desert (Triassic mudstone). 1951. Petrified Forest National Park, Arizona. Cross-bedded Triassic Sandstone above Permian Sandstone. 1951. Petrified Forest National Park, Arizona. Geographers on petrified log "The Bridge" near Adamana. 1904. Petrified Forest National Park, Arizona. Geographers on petrified log "The Bridge" near Adamana. Circa 1904. Petrified Forest National Park, Arizona. End of a petrified log of the third forest. Petrified Forest National Park, Arizona. Petrified logs from the third forest. Petrified Forest National Park, Arizona. Remains of the second forest. Petrified Forest National Park, Arizona. Standing fossilized tree. No date. Petrified Forest National Park, Arizona. Sections of a large tree, 5.5 feet or more in diameter, lying in volcanic ash about 6 miles south of Adamana. Petrified Forest National Park, Arizona; Clays capped by conglomeratic sandstone, the logs occur in the sandstone. 1905.