Calico Hills

The Calico Hills area was first excavated by Louis Leakey and Ruth Simpson, who were searching for evidence of Early Man. The Calico Hills area is about 2,000 acres of land in California that was occupied during the Early Holocene. It contains lithic quarries, trail segments, lithic work stations, and camp sites. This site has allowed for the documentation of humans in the Mojave desert to over 10,000 years ago. This area has been important in studying geological data as well. Depositional geology, paleoecology, micropaleontology, and rock mechanics have also been studied.

This area is also important because of the techniques Louis Leakey and Ruth Simpson used when excavating. They introduced an "elaborate scientific data-collecting techniques focusing on the interaction of the development of alluvial fans and the distribution of artifactual and non-artifactual rock material."

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