The Borrego Mountain Earthquake of April 9, 1968


Book Description

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.










Journal of Research of the U.S. Geological Survey


Book Description

Scientific notes and summaries of investigations in geology, hydrology, and related fields.