Jeff
Marshall’s Research
COASTLINES & BEACHES
OTHER RESEARH TOPICS:
Tectonics
& Earthquakes | Watersheds & Rivers |
Mountains
& Deserts
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Holocene beachrock
horizon, Playa Pochotes, Nicoya Peninsula, Costa Rica |
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Field Sites & Projects:
Pacific
Coast, Costa Rica
Keewaydin
Island, Rookery Bay, Florida
San Diego County
Coastline, California
Monterey
Bay & Santa Cruz County Coastline, California
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