One way to track historical change in a city over time is to look at the ways maps trace the evolution of urban space. New Haven is unique in the sense that over nearly four hundred years since its Puritan founding, it retains the original nine square grid set down in 1637-38. At the same time, New Haven has, over the centuries, been remade many times over. Note how its waterfront has changed with industrialization and transportation developments, its neighborhoods bisected and in some cases wholly destroyed by twentieth century urban redevelopment. At City of Elms, we hope soon to launch a website with a cartographic interface that traces the city's changes cartographically, permits students to pin research and writing in primary and secondary sources to these maps, and opens New Haven's history to new audiences in strikingly visual ways. See below, for a taste of these wonderful maps. The Wadsworth Map, 1784 The Doolittle Map, 1817 The Barber Ma...