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Central Anza-Borrego: US Gypsum Quarry

US Gypsum Quarry Plant
US Gypsum Quarry

Unprocessed Gypsum, US Gypsum Quarry

Unprocessed gypsum, US Gypsum Quarry
US Gypsum Quarry

Fish Creek Mountains
US Gypsum Quarry

Fish Creek Mountains

Restoration, US Gypsum Quarry
The San Juan Bautista de Anza National Historic Trail crosses the Lower Borrego
Valley.
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