U.S. Geological Survey Photographic Library

ID. California EARTHQUAKE 14

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San Fernando, California, Earthquake February 1971. Lower Van Norman Dam, showing slumping on the north side and concrete dropping into the lake. A considerable amount of water had been emptied from the lake at the time. Feb 11,1971. Photo by R.E. Wallace, USGS.

San Fernando, California, Earthquake February 1971. Lower Van Norman Dam, showing slumping on the north side and concrete dropping into the lake. A considerable amount of water had been emptied from the lake at the time. Feb 11,1971. Photo by R.E. Wallace, USGS.

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