National Geologic Map Database
General Information
- Title: Preliminary catalog of earthquakes in northern Imperial Valley, California, January 1, 1977 to March 31, 1977
- Author(s): Schnapp, Madeline, and Fuis, Gary
- Publishing Organization: U.S. Geological Survey
- Series and Number: Open-File Report OF-78-74
- Publication Date: 1978
- Map Scale: 1:438,000
- Cross Section: None
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