The National Map (U.S.)

The National Map is a comprehensive, regularly updated collection of detailed geographic data about the United States provided by the U.S. Geological Survey. It includes maps and information about land features, topography, transportation, boundaries, hydrology, and more. This data supports government agencies, researchers, and the public in planning, analysis, and decision-making. Accessible online, The National Map offers reliable, authoritative geographic information that helps understand and manage the nation’s physical landscape effectively.