. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Figure 2. Examples of Cretaceous (?) foraminifera occurring in Unit III of reported Recent sediments near Vernon, Arizona. Scale lines := 1 mm. Discussion In Pleistocene and Recent alluvial deposits in the Southwest, it is some- times suspected that redeposition has occurred. In many areas where the Recent geology has been little studied, it cannot be readily known if often present terrestrial and freshwater molluscan fossils are in situ or not. Therefore, the presence of Cretaceous (?) brachi


. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Figure 2. Examples of Cretaceous (?) foraminifera occurring in Unit III of reported Recent sediments near Vernon, Arizona. Scale lines := 1 mm. Discussion In Pleistocene and Recent alluvial deposits in the Southwest, it is some- times suspected that redeposition has occurred. In many areas where the Recent geology has been little studied, it cannot be readily known if often present terrestrial and freshwater molluscan fossils are in situ or not. Therefore, the presence of Cretaceous (?) brachiopods and fora- minifera with Pleistocene or Recent snail shells in the old Laguna Salada area is 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy


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