From Philadelphia through Darby + Chester to the Anchor Tavern. No 124, A / by Robert Erskine F.R.S. Geogr. A. U.S. and Assistants.

Date 1781 inferred by cataloger. Imperfect: lacking 1 x 3 cm. at left margin. In pencil on recto: "No 124 A". Military topographic map. Covers the counties of Philadelphia and Delaware in Pennsylvania and of New Castle in Delaware. Shows roads running through Philadelphia, Norwood, Chester and Linwood. Also shows buildings and owners' names, landforms and streams. Pen-and-ink, pencil on laid paper. Shows relief by hachures. Soiled, creased, frayed and abraded. Mounted on cloth, bound and cropped, disbound and silked by subsequent owners. Cleaned after removal of backings 1999; some fill remains. Sheathed in mylar. Title proper from recto is the work of a later editor--Simeon DeWitt or his assign--subsequent to 1820. Title from verso is contemporaneous with map and may be cited as such. Index title, statement of responsibility, series title and series numbering also contemporaneous, but on separate index sheet filed at head of series. Watermark: " J WHATMAN" accompanied by crest (no pendent initials). References: Guthorn, Peter J. American maps and map makers of the revolution, p. 17-22.