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The National Map is a collaborative effort of the United States Geological Survey (USGS) and other federal, state, and local agencies to improve and deliver topographic information for the United States. [1] The purpose of the effort is to provide "...a seamless, continuously maintained set of public domain geographic base information that will ...
United States Geological Survey (USGS) / 38.9470; -77.3675. The United States Geological Survey ( USGS ), founded as the Geological Survey, is an agency of the United States government whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March 3, 1879, to study the landscape of the United ...
National Atlas map (from circa 2005) depicting historical United States territorial acquisitions. The National Atlas of the United States was an atlas published by the United States Department of the Interior from 1874 to 1997. Older editions were printed, but the most recent edition was available online. Since it is a publication of the United ...
U.S. National Geodetic Survey. The National Geodetic Survey ( NGS) is a United States federal agency based in Washington, D.C. that defines and manages a national coordinate system, providing the foundation for transportation and communication, mapping and charting, and a large number of science and engineering applications.
When operational, the Center was a joint effort of the USGS National Mapping Division and the National Science Foundation United States Antarctic Program. The Center maintained the nation's most comprehensive collection of Antarctic aerial photography, maps, charts, satellite imagery, and technical reports.
The logo of the United States Geological Survey (USGS) The Geographic Names Information System (GNIS) is a database of name and location information about more than two million physical and cultural features throughout the United States and its territories; the associated states of the Marshall Islands, Federated States of Micronesia, and Palau; and Antarctica.
1946 Map published by USGS documenting the work of Fenneman's 1915-16 committee of the American Association of Geographers. USGS map colored by paleogeological areas and demarcating the sections of the U.S. physiographic regions: Laurentian Upland (area 1), Atlantic Plain (2-3), Appalachian Highlands (4-10), Interior Plains (11-13), Interior ...
Geology of the United States. Shaded relief map of the United States, showing 10 geological provinces. The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised great ...