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Columbia River, John Day Locks, concrete gravity run-of-the-river dam, TPHV02P08_03Guillotine Gate, Columbia River, John Day Locks, TPHV02P08_04Columbia River, John Day Locks, TPHV02P08_05
Columbia River, John Day Locks, concrete gravity run-of-the-river dam, TPHV02P08_03Guillotine Gate, Columbia River, John Day Locks, TPHV02P08_04Columbia River, John Day Locks, TPHV02P08_05
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