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Earthquake epicenters off the West Coast of the United States and Mexico as
observed through early 1927.
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Image ID: cgs02172, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1927
Credit: Collected Papers of Captain Nicholas Heck, NOAA Central Library
Category: Coast and Geodetic Survey/Geophysics Seismology/
• High Resolution Photo Available
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