Mammoth Cave, California

Mammoth Cave is a former settlement in Calaveras County, California, 3 miles (4.8 km) southeast of Mountain Ranch.[1] A post office operated in Blue Mountain from 1883 to 1887.[1]

References

  1. 1.0 1.1 Durham, David L. (1998). California's Geographic Names: A Gazetteer of Historic and Modern Names of the State. Clovis, Calif.: Word Dancer Press. p. 806. ISBN 1-884995-14-4.