Arrowrock Dam

Arrowrock Dam Boise Idaho


Stock #: 230070
Type: Postcard
Era: Real Photo
City: Boise
State: Idaho (ID)
County: Ada
Postmark: 1934 Jul-12
PM City: Pullman
PM State: WA
Stamp: 1c
Size: 3.5" x 5.5" (9 x 14 cm)

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Additional Details:
Boise Irrigation Project Constructed by the Bureau of Reclamation, 1911-1915 Maximum height, 348.6 feet Length of crest, 1,100 feet Volume, 610,600 cubic yards Foundation covers nearly 3 acres of solid rock Lowest inspection gallery, 230 feet below normal high water surface of reservoir Regulating outlets, 20 in number, each 4 feet 4 inches in diameter Cost over $4,600,000
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