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	A Change in Direction by Successive Change in the Points of Direction: The Nadir of the Coast and Geodetic Survey under Gen. W.W. Duffield[removed]) Add to Reading List Document Date: 2012-07-05 17:01:54 Open Document File Size: 3,10 MB Share Result on Facebook

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A Change in Direction by Successive Change in the Points of Direction: The Nadir of the Coast and Geodetic Survey under Gen. W.W. Duffield[removed])Add to Reading List