Map Of Pennsylvania, constructed from the County Surveys authorized by the State; and other original Documents. Revised And Improved under the supervision of Wm. E. Morris, Civil Engineer ... Published By R.L. Barnes S.E. Corner Of Seventh And Market Sts. Philadelphia. 1849. Engraved by Edwd. Yeager. Entered ... 1848, by R.L. Barnes ... Pennsylvania. (title illustration) Drawn by F. Kearny.