McKee, E.D., 1937, Triassic pebbles in northern Arizona containing invertebrate fossils: American Journal of Science, 5th ser., v. 33, no. 196, p. 260-263.
American Journal of Science, 5th ser., v. 33, no. 196, p. 260-263.
NA AP CN
Invertebrate, Sedimentary Petrology, Paleogeography, [Kaibab Fm][Kaibab Limestone] - Permian, (Aubrey Group), Chinle Fm - Triassic, Shinarump Mbr(Shinarump conglomerate),