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View Resource The National Map: The Nation's Topographic Map for the 21st Century

Described as The Nation's Topographic Map for the 21st Century, the National Map "will be a seamless, continuously maintained set of public domain geographic base information that will serve as a foundation for integrating, sharing, and using other data easily and consistently." The USGS site explains why such a program is needed -- including the agencies role; their vision for the project; its...

https://nationalmap.gov/