Abstract This folio itemizes an interesting view into the northwestward expansion of the City of Philadelphia, Pennsylvania in an era of growth in the mid-19th century. What is shown by the surveying entries is the incorporation, by the 1854 Act of Consolidation, of Roxborough Township and the Borough of Manayunk into the City of Philadelphia’s 21st Ward. A list of landowners requiring surveying services reflects on Lehigh University’s collection of 18th and 19th century industrial collections with...