November 2025 Meeting of the Chapter


“San Joaquin Hills, Santa Ana Mountains, Puente Hills, and Whittier fault: The final (?) grand theory of Orange County’s tectonic geomorphic evolution”

Eldon Gath, PG, CEG President, Senior Consultant & Founder, Earth Consultants International

Thursday, November 20, 2025

The Old Spaghetti Factory
111 North Twin Oaks Valley Road
San Marcos, CA 92069

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