1-770-53 California, San Francisco Bay, Alameda Creek, Dredging
1-846-85 California, San Francisco Bay, Alameda Creek, Dredging
1-860-39 California, Sonoma County, Sonoma Baylands
2-350-20 California, San Francisco Bay, San Pablo Nat Wildlife Refuge, Lower Tubbs Island levee
2-350-5 California, San Francisco Bay, San Pablo Nat Wildlife Refuge, Lower Tubbs Island levee
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©David Sanger or individual photographer. All rights reserved.