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  • Map of a reconnaissance of the approaches to Philadelphia showing the positions and lines of defence on the north front of the city /

    Map of a reconnaissance of the approaches to Philadelphia sho...

    Topographic map of the northern part of Philadelphia County and small adjacent part of Montgomery County showing proposed 1st-, 2nd-, and 3rd-order Civil War batteries. Signed in handwriting: George Davidson, Asst. Engr. Fortifications. Pen-and-ink, red ink (contours), and watercolors. Former ownership rubber-stamping below title: U.S.C. & G. Survey, Library and Archives, no. 127. "No. 2865X" and "854W 1863" (former Coast Survey numbers) handwritten in ...

    • Contributor: United States Coast Survey - Bache, A. D. (Alexander Dallas) - Davidson, George
    • Original Format: Maps
    • Date: 1863
  • Map of a reconnaissance of the approaches to Philadelphia showing the positions and lines of defence on the north front of the city /

    Map of a reconnaissance of the approaches to Philadelphia sho...

    Topographic map of northern Philadelphia and small adjacent part of Montgomery County showing Civil War earthworks and batteries. Relief shown by contours and hachures. Signed in handwriting (brown ink): George Davidson, Assistant Engineer Fortifications. Pen-and-ink, red ink (contours), and watercolors. Former ownership rubber-stamping at foot of title: U.S.C. & G. Survey, Library and Archives, no. 126. "No. 2868X" and "854W 1863" (former Coast Survey ...

    • Contributor: United States Coast Survey - Bache, A. D. (Alexander Dallas) - Davidson, George - Fauntleroy, A. R.
    • Original Format: Maps
    • Date: 1863
  • Map of a reconnoissance [sic] of the approaches to Philadelphia showing the positions and lines of defence on the west front of the city /

    Map of a reconnoissance [sic] of the approaches to Philadelph...

    Topographic map of western Philadelphia and small adjacent parts of Montgomery and Delaware counties showing 1st- and 2nd-order Civil War earthworks and batteries. Relief shown by contours, hachures, and spot heights. Pen-and-ink, red ink (contours), and watercolors. Former ownership rubber-stamping to left of title: U.S.C. & G. Survey, Library and Archives, no. 1. "Acc. no. 54399" and "854 ST 1863" (former Coast Survey numbers) ...

    • Contributor: United States Coast Survey - Bache, A. D. (Alexander Dallas) - Whiting, Henry L.
    • Original Format: Maps
    • Date: 1863
  • Hammond's bird's-eye view map of Philadelphia and vicinity /

    Hammond's bird's-eye view map of Philadelphia and vicinity /

    F51816 U.S. Copyright Office Perspective map not drawn to scale. LC Panoramic maps (2nd ed.), 831.2 Available also through the Library of Congress Web site as a raster image. AACR2

    • Contributor: Spofford, Edward W. - C.S. Hammond & Company
    • Original Format: Maps
    • Date: 1926