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Archaeological Finds in
Marsh Creek State Historic Park

Marsh Creek from the Last Ice Age to the Present

Geologists provide a snapshot of the changing landscape of the region over the past 24,000 years 

The First Californians

Archeologists found evidence of the first Californians dating back over 7,000 years ago.

Sources: Bancroft Library, WPA, John Marsh, Pioneer (George D. Lyman); Marsh Creek SHP (Douglas Love); East Contra Costa Historical Society; Santa Fe Trail Association

John Marsh (Kathleen & William Mero); John Marsh (Gene Metz); California Dept. of Parks & Recreation; Barkley Family; Discovery Bay Studios; Mike Oria; and Debra Janis.

© 2022 by John Marsh Historic Trust - A 501(c)3 organization - Tax I.D. Number: 680390601

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