Keystone, Imperial County, California

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Keystone is a former settlement in Imperial County, California.[1] It was located on the Southern Pacific Railroad 5 miles (8 km) north-northeast of Imperial.[1]


  1. ^ a b Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 1430. ISBN 1-884995-14-4.