Beginning in the 1940s, the U.S. Geological Survey’s National Mapping Program was tasked with the immense cartographical feat of surveying the entire country to create a series of more than 50,000 ...

A fork of cogeo-mosaic-tiler to serve USGS Historical Topographic map tiles on demand from a mosaic of Cloud-Optimized GeoTIFFs. I stumbled upon a hidden gem: the entire USGS historical topographic ...

People who want access to digital topographic maps for any of the lower 48 states can now count on the US Topo. The ongoing map project, as part of the U.S. Geological Survey’s national map series, ...

Those giant maps gathering dust in the corner of your favorite outdoor store have finally been brought into the 21st century. National Geographic‘s new service, launched last week on their Maps site, ...

Python package to read Web Mercator map tiles from USGS Historical Topographic Maps, and utilities to create a MosaicJSON collection from these maps. A mosaic of USGS historical maps around the Grand ...

In the second half of the 20th century, the foundation of the U.S. Geological Survey’s national map series was the handcrafted 7.5-minute topographic map. Times change, budgets get squeezed and ...

For outdoor lovers, no map is more iconic – or useful – than a USGS topo map. While the concentric, sepia lassos of elevation are the maps’ visual signature, their real power is the cross-referenced ...