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USGS topographic maps fall into three primary product categories: 1. The Historical Topographic Map Collection (HTMC) is the set of scanned images of USGS topographic quadrangle maps originally published as paper documents in the period 1884-2006. Visit Historical Topographic Maps - Preserving the Past for more information.
28 de dez. de 2021 · US Topo maps and scans of historic USGS topographic maps are also available as a part of The National Map. Data and products from The National Map can be used by government, industry, academia, as well as the public, in support of geologic mapping, natural hazard planning, natural resource conservation, emergency management, recreation, and many, many other applications.
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Key Officials. We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change. Our scientists develop new methods and tools to supply timely, relevant, and useful ...
Geologic map of the northwest flank of Mauna Loa volcano, Island of Hawai‘i, Hawaii. Mauna Loa, the largest active volcano on Earth, has erupted 34 times since written descriptions became available in A.D. 1832. The most recent eruption of Mauna Loa occurred on November 27, 2022, after a 38 year hiatus; it lasted for 12 days.
This interactive web application displays U.S. Geological Survey (USGS) data-collection locations in the Long Island Sound watershed. Station types include water-quality sampling sites, streamgages, groundwater-level and tidal monitoring sites, and meteorological sites. The sites shown on this map were active data-collection locations from May ...
Get your topographic maps here! The latest version of topoView includes both current and historical maps and is full of enhancements based on hundreds of your comments and suggestions. Let us know how we can continue to improve access to the USGS topographic map collection. Click the play button below to see some of the new features in action.
