MapGeneral diagram : [western Philadelphia city and adjacent portions of Delaware and Montgomery counties, Pennsylvania]. Topographic map showing proposed and existing Civil-War batteries and defensive positions immediately west of Philadelphia. Relief shown by contours and hachures. Title from southern sheet. Partial tracing of the 1863 ms. topographic map showing 1st- and 2nd-class fortifications at Philadelphia (CW 358.22). Oriented with north to the right. Pen-and-ink, red ink (contours), and watercolors. Drawn in 2 segments (sheets): [Northern] -- [Southern]. "No. 2866" ...
- Contributor: United States Coast Survey - Bache, A. D. (Alexander Dallas)
- Date: 1863
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MapMap of supplementary reconnaissance of the approaches to Philadelphia by the West-Chester Road : including the section from Newtown Square to the east branch of the Brandywine Creek Topographic map showing Civil War earthworks and batteries. Relief shown by contours and spot heights. Authorship statement citing Whiting's name is in handwriting (black ink). Pen-and-ink, red ink (contours), and watercolors. "No. 2863X" and "854W" (former Coast Survey numbers) are handwritten in ink on sheet and on adhesive label at lower right. Imperfect: Fold-lined. Originally drawn on 3 sheets. Includes notes. LC Civil War ...
- Contributor: Whiting, Henry L. - Bache, A. D. (Alexander Dallas) - United States Coast Survey
- Date: 1863