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Old Mission Dam

San Diego, California
County of San Diego.
North side of Mission Street-Gorge Road
National Register Number: 66000225
Resource type: Structure.
Property type: Agriculture/Subsistence - irrigation facility.
Congressional District: CA-49 Certified Local Government: YES
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Statement of Significance (as of designation - May 21, 1963):
Completed in 1817, this cobblestone and cement dam is one of the first major irrigation-engineering projects on the Pacific Coast of the United States. Water from the 220' long, 13' thick dam irrigated the fields around the Mission of San Diego.

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