1-860-14 California, Sonoma County, San Pablo Bay Nat Wildlife Refuge, water sampling
2-415-14 California, Delta, Stockton, Bill Jennings of Deltakeepers
5-80-33 Mexican art, Painting of design on Piedra del Sol, Aztec calendar, 1350 1531, Museo de Anthropologia
5-82-2 Mexico, Mexico City, Painting of design on Piedra del Sol, Aztec calendar, 1350 1531, Museo de Anthropologia
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©David Sanger or individual photographer. All rights reserved.