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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 ...
The Shuttle Radar Topography Mission ( SRTM) is an international research effort that obtained digital elevation models on a near-global scale from 56°S to 60°N, [2] : 4820 to generate the most complete high-resolution digital topographic database of Earth prior to the release of the ASTER GDEM in 2009. SRTM consisted of a specially modified ...
Website. library .usgs .gov. The United States Geological Survey Library ( USGS Library) is a program within the United States Geological Survey (USGS), a scientific bureau within the Department of Interior of the United States government. The USGS operates as a fact-finding research organization with no regulatory responsibility.
Dry Falls in Eastern Washington has been named to the International Union of Geological Sciences “The First 100 Geological Heritage Sties” for its impact in understanding the Earth. The park ...
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 ...
NASA WorldWind is an open-source (released under the NOSA license and the Apache 2.0 license) virtual globe. According to the website ( https://worldwind.arc.nasa.gov/ ), "WorldWind is an open source virtual globe API. WorldWind allows developers to quickly and easily create interactive visualizations of 3D globe, map and geographical information.
The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service. The inventory displays high-accuracy topographic and bathymetric data for the US, and it is ...
Hydrologic unit system (United States) For the use of hydrologists, ecologists, and water-resource managers in the study of surface water flows in the United States, the United States Geological Survey created a hierarchical system of hydrologic units. Originally a four-tier system divided into regions, sub-regions, accounting units, and ...