OXli 


bert, colonel J. J., chief of the corps of topographical engineers, 6 u. S. A. Report in reference to the c an alt0 c 0 n n e c t t h e 

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(1/ 
Chesapeake and Ohio CanaI with the city of Baltimo 
r e. 1838 Reprinted for the use of the engineer departement, 

U. S. A. (Mit 1 Karte.) 
4. Washington 1874,.