In 1797, the Council commissioned Goerck and Joseph-François Mangin, another city surveyor, to survey Manhattan's streets; Goerck and Mangin had each submitted individual proposals to the Council, but then decided to team up. Goerck died of yellow fever during the course of the project, but Mangin completed it and delivered the draft of the Mangin–Goerck Plan to the Council in 1799 for correction of street names; the final engraved versionmade by engraver Peter Maverick, who would also go on to engrave the published map of the Commissioners' Planwould be presented to the Council in 1803. However, Mangin had gone well beyond the terms of his commission, and the map not only showed the existing streets of the city, as instructed, but was also, in Mangin's words, "the Plan of the City ... such as it is to be..."