. Allan Hancock Pacific expeditions. Scientific expeditions. Fig. 119 Angel de la Guardia Island, mountain of pumice. Fig. 120 Islet of Puerto Refugio Bay, Angel de la Guardia Island. 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 Allan Hancock Foundation. Los Angeles : Allan Hancock Foundation for Scientific Research, University of Southern Calif. Press

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