. Contributions to the geography of the United States, 1923-1924. Geology; Mines and mineral resources. £^j S , n.,^. A. CONICAL HILLOCK OF MOENKOPI FORMATION NEAR LEES FERRY, ARIZ. The Moenkopi formation here is a sandy shale, covered with gravel resulting from the disintegration of a block of Shinarump Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Campbell, Marius R. (Marius Robinson), 1858-1940; Geologic
. Contributions to the geography of the United States, 1923-1924. Geology; Mines and mineral resources. £^j S , n.,^. A. CONICAL HILLOCK OF MOENKOPI FORMATION NEAR LEES FERRY, ARIZ. The Moenkopi formation here is a sandy shale, covered with gravel resulting from the disintegration of a block of Shinarump Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Campbell, Marius R. (Marius Robinson), 1858-1940; Geological Survey (U. S. ). Washington [D. C. ] : U. S. Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeology, booksubjectm
