The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945.

In 2009, USGS began the release of a new generation of topographic maps (US Topo) in electronic form, and in 2011, complemented them with the release of high-resolution scans of more than 178,000 historical topographic maps of the United States.

Digital coal resource shapefiles and raw database files available from the ISGS Coal Section.

The focus of Map Collections is Americana and Cartographic Treasures of the Library of Congress. These images were created from maps and atlases and, in general, are restricted to items that are not covered by copyright protection.

The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation.

Explore the world, learn about human and physical patterns, and make your own maps.

Maps have been a cornerstone of National Geographic since they were published in the first issue of the magazine, in October 1888.

The National Geologic Map Database (NGMDB) is a distributed archive of geoscience information for the Nation. It was mandated by the Geologic Mapping Act of 1992 and is cooperatively built and maintained by the USGS and State Geological Surveys.

Provides weather, water, and climate data.

Provides access to a selection of interactive maps produced by Natural Resources Canada.

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format.

Several maps of various soil properties from around the world.

Collection of online maps, tools, and software.

Collection of tools and resources available through Natural Resources Canada.

Topographic Information: where you can find maps, data, applications and tools.

3D representation of the entire planet.

Resources related to Map Librarianship.