Download or read book The Borrego Mountain Earthquake of April 9, 1968 written by and published by . This book was released on 1972 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additional title page description: Contributions from: California Institute of Technology, Lamont-Doherty Geological Observatory of Columbia University [and] Seismological Field Survey, National Oceanic and Atmospheric Administration.