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| | Miocene epoch. The Columbia Encyclopedia, Sixth Edition. 2001-05 (Site not responding. Last check: 2007-11-03) |
 | | The sediments of the California Miocene came chiefly from the Sierra Nevada and the Klamaths, which, through erosion, were peneplained by the close of the epoch. |
 | | The mammalian life of the Miocene was marked by further stages in the development of the horse, by the multiplication and final extinction of the giant hogs, and by the appearance of the mastodons, raccoons, and weasels. |
 | | In the Miocene a distinct cooling of the climate resulted in the reduction of forests and an increase in grassy plains. |
| www.bartleby.com /65/mi/Miocenee.html (477 words) |
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