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*:/ : 11-1 h WA <br />Chelonia, and camel, Camelidae. Just east of due north of the proposed project site 1, east of the <br />Santa Ana River in Orange along Fletcher Avenue east of Glassell Street, our older Quaternary <br />locality LACM 4943 produced a specimen of fossil horse, Equus, at a depth of 8-10 feet below <br />the surface. <br />Grading or shallow excavations in the uppermost few feet of the younger Quaternary <br />alluvial sediments exposed throughout the entire proposed project area are unlikely to uncover <br />significant fossil vertebrate remains. Deeper excavations in the proposed project area that extend <br />down into older Quaternary sediments, however, may well encounter significant vertebrate <br />fossils. Any substantial excavations below the uppermost layers in the proposed project area, <br />therefore, should be closely monitored to quickly and professionally collect any specimens <br />without impeding development. Sediment samples should also be collected and processed to <br />determine the small fossil potential in the proposed project area. Any fossils recovered during <br />mitigation should be deposited in an accredited and permanent scientific institution for the <br />benefit of current and future generations. <br />This records search covers only the vertebrate paleontology records of the Natural History <br />Museum of Los Angeles County. It is not intended to be a thorough paleontological survey of <br />the proposed project area covering other institutional records, a literature survey, or any potential <br />on -site survey. <br />Sincerely, <br />Samuel A. McLeod, Ph.D. <br />Vertebrate Paleontology <br />enclosure: invoice <br />75C-217 <br />