John G. Helms
William Lettis & Associates, Inc, Valencia, CA
Activity
2001
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PALEOSEISMIC INVESTIGATIONS OF THE 1999 M7.1 HECTOR MINE EARTHQUAKE SURFACE RUPTURE AND ADJACENT BULLION FAULT, TWENTYNINE PALMS MARINE CORPS BASE, CALIFORNIA
48 Hector Mine and Other Major 1999 EarthquakesWednesday, 11 April 20011:20 PM - 4:30 PM
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STYLE, ACTIVITY, AND UPLIFT RATE OF THE HOLLYWOOD FAULT IN HOLLYWOOD AND WEST HOLLYWOOD, CALIFORNIA
12 Active Tectonics of the Los Angeles BasinMonday, 9 April 20011:45 PM - 3:30 PM