"Survey of the Allegheny River from Franklin to Pittsburgh…No. 1 [with] No. 2 Drawn by Lieut.. Ramsay 1st Arty.", U.S. War Department
Period: 1828 (dated)
Publication: HR Doc. 343, 25th Congress 2nd Sess.
Color: Black & White
Matching pair of charts showing the extent of the survey. Complete with the original 36-page report by J.R. Poinsett and Lieut. Albert. First chart measures 31.2 x 7.3" and the second 37.5 x 7.4". Survey extends from French Creek and Franklin to Mahoning Creek (No. 1) and continues on to Pittsburgh on No. 2. Rarely seen pair of maps complete with report.