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       Author U.S. War Department, Topographical Engineers Full Title "Surveys For Military Defences" Map Of N. Eastern Virginia And Vicinity Of Washington compiled in Topographical Engineers Office at Division Head Quarters Of General Irvin McDowell Arlington, January 1th 1862 corrected from recent Surveys and Reconnaissances under the direction of the Bureau Of Topographical Engineers August 1st 1862. Drawn By J.J. Young, W. Hesselbach. Engr. On Stone By J. Schedler, No. 120 Pearl St. N.Y. ... Publisher J. Schedler 
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