0-283-12 California, San Francisco Bay, Transmission towers, Palo Alto baylands
0-40-63 Mexico, San Jose del Cabo, Estero San Jose
0-40-72 Mexico, San Jose del Cabo, Estero San Jose
0-433-1 California, San Francisco Bay, Don Edwards National Wildlife Sanctuary
0-500-1 California, San Francisco Bay, Palo Alto baylands
0-644-12 California, Central Valley, Tracy, Federal Water Project, Chinese mitten crab
1-370-1 California, San Francisco Bay, Don Edwards National Wildlife Sanctuary
1-370-2 California, San Francisco Bay, Don Edwards National Wildlife Sanctuary
1-370-21 California, San Francisco Bay, Don Edwards National Wildlife Sanctuary
1-370-5 California, San Francisco Bay, Don Edwards National Wildlife Sanctuary
1-371-8 California, San Francisco Bay, American avocet Recurvirostra americana
1-372-35 California, San Francisco Bay, Forsters tern Sterna forsteri, Alameda
1-372-36 California, San Francisco Bay, Forsters tern Sterna forsteri, Alameda
1-372-52 California, San Francisco Bay, Great egret Casmerodius albus, Emeryville
1-372-9 California, San Francisco Bay, Snowy egret Leucophoyx thula, Alameda
1-400-1 California, East Bay Parks, San Pablo Bay shoreline, Point Pinole Regional Park
1-400-26 California, East Bay Parks, San Pablo Bay shoreline, Point Pinole Regional Park
1-400-4 California, East Bay Parks, San Pablo Bay shoreline, Point Pinole Regional Park
1-60-1 California, San Francisco, Tidal marsh, Crissy Field, GGNRA
1-62-30 California, San Francisco, Crissy Field, GGNRA, tidal marsh at dusk
1-62-4 California, San Francisco, Crissy Field, GGNRA, tidal marsh
1-70-43 California, San Francisco, Tidal marsh at sunset with bridge, Crissy Field
1-70-49 California, San Francisco, Tidal marsh at sunset with bridge, Crissy Field
1-75-20 California, San Francisco, GGNRA, Tidal marsh at sunset with bridge, Crissy Field
1-75-76 California, San Francisco, GGNRA, Tidal marsh, Crissy Field
1-770-3 California, San Francisco Bay, Coyote Hills Regional Park, aerial view
1-770-39 California, San Francisco Bay, Cargill salt ponds near Newark
1-770-40 California, San Francisco Bay, Cargill salt ponds near Newark
1-770-53 California, San Francisco Bay, Alameda Creek, Dredging
1-770-7 California, San Francisco Bay, Hayward Regional Shoreline, aerial view
1-781-9 California, Eastshore State Park, San Francisco Bay at sunset
1-795-9 California, Sonoma County, Carls Marsh
1-846-85 California, San Francisco Bay, Alameda Creek, Dredging
1-847-26 California, Suisin Marsh, Duck Hunting, Can Can Club
1-850-11 California, San Francisco Bay, Aerial, Cargill Salt Ponds
1-850-13 California, San Francisco Bay, Aerial, Cargill Salt Ponds
1-853-13 California, East Bay Parks, Clapper Rail, Arrowhead Marsh
1-853-2 California, East Bay Parks, Clapper Rail, Arrowhead Marsh
1-856-63 California, Delta, Sacramento River and morning fog
1-858-38 California, Solano County, Collinsville, Tule reeds and San Joaquin River
1-859-69 California, Sonoma County, San Pablo Bay National Wildlife Refuge, Napa Slough
1-860-14 California, Sonoma County, San Pablo Bay Nat Wildlife Refuge, water sampling
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©David Sanger or individual photographer. All rights reserved.