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Filters: Tags: Imagery and Base Maps (X) > Types: OGC WMS Service (X)

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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map depicts geographic features on the surface of the earth. One intended purpose is to support emergency response at all levels of government. The geospatial data in this map are from selected National Map data holdings and other government sources.
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This UNOFFICIAL United States-Mexico boundary dataset was developed by the U.S. Geological Survey’s Border Environmental Health Initiative (BEHI) (http://borderhealth.cr.usgs.gov/index.html), to be used as a common boundary for the clipping and geometric integration of binational geospatial datasets. It provides a single boundary that has been used throughout the project, but is not representative of any officially recognized international boundary. International borders politically divide the landscape but rarely represent barriers for environmental issues. The major issues surrounding the U.S.-Mexico border involve economics and population growth that present challenges to environmental management and natural...


    map background search result map search result map US Topo USGS U.S.-Mexico Border Environmental Health Initiative International Boundary Feature Class USGS U.S.-Mexico Border Environmental Health Initiative International Boundary Feature Class US Topo