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Published November 20, 1938 | Published
Journal Article Open

The Tar Seeps of McKittrick, California

Stock, Chester

Abstract

In the belt of oil fields on the southwestern border of the Great Valley of California occur tar seeps which in times past have trapped creatures in somewhat the same way that the tar pools mired animals in the famous Rancho La Brea deposits of the Los Angeles basin. As in the instance of the latter well-known locality the seeps along the margin of the San Joaquin Plain have preserved their organic record from the Ice Age.

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© 1938 Carnegie Institution of Washington.

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August 19, 2023
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