Maps and Geospatial Information

Many large recreation/outdoor stores such as REI sell recreation maps.  Most bookstores sells maps.  And there is always Amazon.

• U.S. Geological Survey -- Sells plotted copies of their maps.
• Colorado Aerial Photos -- 100,000+ air photos of Colorado for sale
• Historic Urban Plans -- Reproductions of antique maps, including large numbers of bird's-eye-views of US cities from the 1800s.
• ITMB Publishing (International Travel Maps and Books) -- Travel maps of countries and cities.
• National Geographic / Trails Illustrated -- National Geographic maps, and hiking/mountain biking maps.
• Omni Map -- Specializing in topographic and geologic maps.
• Sky Terrain Recreation Maps -- Hiking maps of the Rocky Mountains.
• Stanfords -- One of the largest map stores in the world, located in London.