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Fault-rupture hazard zones in California

GEO Hart, Earl W. ERQK Fault-rupture hazard zones in California. DMG 1990
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Finding fault in California

GEO Hough, Susan Elizabeth ERQK Finding fault in California. Mountain Press, 2004
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How earthquakes are measured

GEO How earthquakes are measured. DMG, 1986.
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Earthquake country

GEO Iacopi, Robert ERQK Earthquake country. Sunset, 1964
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