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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: feet; harbor; pier; chicago; lake; senate; cubic; observations; piers; united; annual report; amount required; sidereal time; north pier; illinois central; feet long; steam dredge; south pier; white oak; war department</div>
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James Duncan Graham ,  United States Army . Corps of Engineers</div>
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