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History of SF Bay
Talk and slide show by Ken Lajoie (USGS) on how the bay appears and disappears every 100,000 years. Geologic evidence from deep borings shows there were at ...
Geokids
A rock in the hand is worth... This hands-on activity is great for kids who want to know more about why some rocks are different from others. Come along on a ...
Quarry aerial
Steve Edwards with geoogical map
Lava and red ash outcrop
California Geological Survey Library
California Geological Survey - Department of Conservation
Tidytips
Bay checkerspot butterflies
Students pull Italian thistle
Western screech owl
Calera limestone
coyote
Trail map
Hawk release
Fire down below
Northern California Geological Society
A nonprofit devoted to promoting geology and related sciences.
US Geological Survey - Earth Science Info Center
Western Region Geography conducts science projects that provide information and analyses that help people and policymakers make informed decisions about issues ...
Brown tarantula
Almaden view
Almaden map
Shooting Star
Walking the Line
It was 140 years ago, in October 1868, that the Hayward Fault unleashed the magnitude 6.8 temblor that put the fault on the map. The quake shook the entire ...
Memorial Stadium
Scarp at Point Pinole Park
Hayward's Memorial Park
Trench at Fremont's Central Park
Alameda County Courthouse After Earthquake
Goat Rock clouds
Clapper rail
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