Survey of the Allegheny River from Franklin to Pittsburgh / Levelled and surveyed under the direction of Lieut. Col. Kearney, U.S. Top. Engineers by Lieutenants C. Graham & J.M. Berrien ; No. 1 drawn by Lieutt. Berrien, 5th Infantry, 1828 ; No. 2 dr...
From Parts (In 6 layers) Depicts: 1828 Last modified about 3 years ago. Unrectified.
A low resolution preview is shown below.