
The recent outbreak of Yellow Fever underscored the dangers of allowing such a city to grow haphazardly without central planning. The Common Council, which governed New York was well aware that while the city of 1797 was still a small by European standards, within a few years, it would become major global metropolis.

At the end of the 18th century, following the American Revolutionary War, the population of New York was increasing exponentially and the city's developed area growing at a breakneck pace. The Mangin-Georck PlanIt is impossible to understand this Riley / Bridges plan without first understanding the precursor Mangin-Goerck map. This map is thus the only obtainable examples of one of the most important founding cartographic documents relating to the development of New York's street grid, publishing while the Mangin-Goerck map was still relevant. It is of note that this map pre-dates the 1811 Commissioner's Plan, and thus represents the definitive plan of New York City at the time of publication. That, plan, like the present map, proposed extensive landfill projects and new streets intended to generate clean neat lines and sharp right angles throughout. 1801 map also engraved by Peter Maverick. It depicts lower Manhattan from roughly Bank Street (current West Village) to the Bowery, but is cartographically unusual as it follows the Mangin-Goerck Plan, a much larger c. The map was published in 1807 by Isaac Riley, William Bridges, and Peter Maverick. This is a highly unusual piece with a confused and complex history. Minnesota - North Dakota - South Dakota.Massachusetts - Connecticut - Rhode Island.
