. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. PLATE 4 Figures 4-7. Fig. 4, North entrances of El Pakiva Cave. 5, Fractured and recemented drip curtain in Tecopa Cave (upper center); hori- zontal ridges and shelves (lower half.) 6, Wild Horse Mesa east of Clipper Valley; lower grantic slopes of Providence Mountains in fore- ground. 7, Providence Mountains viewed westward across Clipper Valley: arrow indicates Mitchell's Please note that these images are extracted from scanned page images that may have been digitally enhanced for
. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. PLATE 4 Figures 4-7. Fig. 4, North entrances of El Pakiva Cave. 5, Fractured and recemented drip curtain in Tecopa Cave (upper center); hori- zontal ridges and shelves (lower half.) 6, Wild Horse Mesa east of Clipper Valley; lower grantic slopes of Providence Mountains in fore- ground. 7, Providence Mountains viewed westward across Clipper Valley: arrow indicates Mitchell's 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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