1790. Irvine, William, 1741-1804. Photostats of original manuscript map done approximately 1795 located in the Pennsylvania State Archives.; Part of "RG - 17 6/5"; Includes legend.;...
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1795. Irvine, William, 1741-1804. Photostats of original manuscript map done approximately 1795 located in the Pennsylvania State Archives.; Part of "RG - 17 6/2"; Includes legend.;...
1795. Irvine, William, 1741-1804. Photostats of original manuscript map done approximately 1795 located in the Pennsylvania State Archives.; Includes legend.; Relief shown by shadin...
1795. Ellicott, Andrew, 1754-1820. Photostats of original manuscript map done approximately 1795 located in the Pennsylvania State Archives.; Includes legend.; Alternate title: A cor...
1927. Pittsburgh (Pa.). Department of City Planning. Blueline print.; "Mapped June 1927."; Relief shown by contour lines.; "Geodetic & Topographic Survey."; Also indicates some building and lot owners... Dept. of City Planning (Pittsburgh, Pa).











