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Ned Mamula, Ann Bridges placeholder

Ned Mamula, Ann Bridges

Dr. Ned Mamula is a geologist and formerly a mineral resource specialist with the U.S. Geological Survey. He is the author of Groundbreaking! America’s New Quest for Mineral Independence.

Ann Bridges, a former Silicon Valley executive, writes about business issues in both fiction and nonfiction. She co-authored Groundbreaking! America’s New Quest for Mineral Independence.‎

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