See Towns Grow Alongside These Historic Maps

The USGS Historical Topographic Map Explorer is a keen agency to explore the growth of U.S. cities using USGS historical maps.

Click on the modern Esri map of a place too all the available USGS historical topographic maps of the expanse are shown inward a timeline beneath the map. If you lot guide a map from the timeline it volition so hold out overlaid on the modern map. You tin hence operate through the timeline of historical maps to detect how towns too cities bring developed over time.

The map includes an opacity slide tool so that you lot tin conform the transparency of the overlaid historical maps. The timeline beneath the map tin also hold out adjusted to increase the size of the map.