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NYC Water: J. Waldo Smith Monument
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NYC Water: J. Waldo Smith Monument
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NYC Water: J. Waldo Smith Monument
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NYC Water: McClellan Triangulation Monument near Olive Bridge Dam
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NYC Water: McClellan Triangulation Monument near Ashokan Reservoir
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NYC Water: McClellan Triangulation Monument near Ashokan Reservoir
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NYC Water: Olive Bridge Dam at the Ashokan Reservoir