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Waves and headland, Pacifica, California.
Waves and headland near Pacifica, California. (140324-41)
Download ImageFolded radiolarian (ribbon) chert
Folded radiolarian (ribbon) chert of the Cretaceous Franciscan Assemblage. California. (140322-52)
Download ImageBreaking wave, California
Breaking wave, California, coastline near Pacifica. (140324-1)
Download ImageBreaking wave, California
Breaking wave, California, coastline near Pacifica. (140324-28)
Download ImageRadiolarian (ribbon) chert, California (vertical)
Close-up view of radiolarian chert of the Cretaceous Franciscan Assemblage, Marin County, California. (140322-3)
Download ImageRadiolarian (ribbon) chert, California
Headland of radiolarian chert of the Cretaceous Franciscan Assemblage, Marin County, California. (140322-57)
Download ImageRadiolarian (ribbon) chert, California (vertical)
Outcrop of radiolarian chert of the Cretaceous Franciscan Assemblage, Marin County, California.(140322-2)
Download ImageCoastal headlands, California
Headlands of Franciscan Assemblage along coastline of Marin Headlands, California. (140322-13).
Download ImageCoastal headlands, California
Headlands of Franciscan Assemblage along coastline of Marin Headlands, California. (140322-23).
Download ImageWaves attacking headland, California
Waves attacking coastal headland near Marin, California. (140322-37)
Download ImageSinkhole, central Florida
Aerial view of circular sinkhole in central Florida. Sinkholes form by dissolution and collapse of underlying limestone bedrock. The water level marks the groundwater table. (140308-57)
Download ImageMeandering river, New Jersey
Aerial view of meandering river in urban area, Old Place Creek, Staten Island, New York. River channel is close to eroding through and cutting off an oxbow lake. (140308-16)
Download ImageSinkhole, central Florida
Aerial view of circular sinkhole in central Florida. Sinkholes form by dissolution and collapse of underlying limestone bedrock. The water level marks the groundwater table. (140308-62)
Download ImageSinkhole, central Florida
Aerial view of circular sinkhole in central Florida. Sinkholes form by dissolution and collapse of underlying limestone bedrock. The water level marks the groundwater table. (140308-59)
Download ImageSinkhole, central Florida
Aerial view of circular sinkhole in central Florida. Sinkholes form by dissolution and collapse of underlying limestone bedrock. The water level marks the groundwater table. (140308-60)
Download ImageFractured ice on Lake Erie (vertical)
Aerial view of Fractured ice on Lake Erie, Ohio-Ontario border. (140305-34)
Download ImageSinkhole, central Florida
Aerial view of circular sinkhole in central Florida. Sinkholes form by dissolution and collapse of underlying limestone bedrock. The water level marks the groundwater table. (140308-39)
Download ImageFractured ice on Lake Erie (vertical)
Aerial view of Fractured ice on Lake Erie, Ohio-Ontario border. (140305-36)
Download ImageColorado Mountains meet Great Plains
Aerial view of western edge of Colorado Front Range near Loveland, Colorado. Note hogbacks. (140305-4)
Download ImageLake Erie and Cleveland, Ohio
Aerial view of South shore of frozen Lake Erie and Cleveland, Ohio. (140305-44)
Download ImageFrozen Lake Erie, Ohio-Ontario
Aerial view of Fractured ice on Lake Erie, Ohio-Ontario border. (140305-32)
Download Image
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