The provider’s interface can be used for search, preview, and free GIS data download purposes only. Depending on the sensor, various free data products can be downloaded (Level 1-3, natural color and thermal imagery, etc.).Īnalysis. For downloading large amounts of the USGS’s free satellite images of Earth at once, you will need to install the Bulk Download Application. For free, you can find all possible features, even less common ones - like ancient roads or graves - anywhere in the world.ĭownload. On top of the standard Area of Interest (AOI) selection options (address, coordinates, file upload, or drawing), the provider’s interface offers a feature-based search, which is pretty fun to test. All the found tiles can be conveniently previewed one by one or all at once. The provider allows you to narrow down the search for free satellite imagery by area, date, and cloud cover percentage. The provider also features free datasets provided in collaboration with ISRO (Resourcesat-1 and 2), ESA (Sentinel-2), and some commercial high-resolution satellite images (IKONOS-2, OrbView-3, historical SPOT data). Using this provider, you will find 40 years’ worth of free satellite images from USGS-NASA Landsat missions and a diversity of data from other NASA remote sensors (Terra and Aqua MODIS, ASTER, VIIRS, etc.). The selection of free satellite imagery in EarthExplorer is overwhelming, from optical and radar data to weather satellite photos to digital elevation maps. The USGS agency has the longest record of collecting free GIS data (free satellite images, aerial, and UAV), which is made available via EarthExplorer (EE). Hide USGS EarthExplorer: Free-To-Use Satellite Imagery Making the Most of Free Imagery Providers.Use the Store’s Map Locator, the “Find a Map” search function on the Store homepage, or the Keyword Search box at the top right of the Store homepage. The online USGS Store is the only site for ordering paper topographic maps. Maps are digitally delivered free of charge within five days of request. Additional customization such as choice of file format and level of contour detail are also available. Exclusive to topoBuilder is the ability to center the map wherever you choose. OnDemand Topos resemble US Topos and utilize the best available data from The National Map at the time of request. Request OnDemand Topos using the topoBuilder application. This is the only USGS site for ordering paper maps. Map Locator on the USGS Store - Search and download free digital maps in GeoPDF format or order paper maps.The National Map Download Client - Download digital Historical topographic maps (GeoPDF and GeoTIFF formats) and US Topos (GeoPDF format).File formats include GeoPDF, GeoTIFF, JPG, and KMZ. TopoView - The largest selection of digital options.Most applications have an option for toggling on map indexes that show an outline of all the maps, though you must zoom in to see the outlines: This includes both current US Topo maps (computer-generated every 3 years since 2009) and Historical topographic maps. For Alaska the standard scale is 1:25,000.Īll dates and all scales of our topographic maps can be freely downloaded or ordered at cost as paper prints. USGS topographic maps have been published at many scales, but 1:24,000 (also referred to as a 7.5-minute quadrangle) has been the standard topographic map scale since 1947. Geological Survey (USGS) has been the primary civilian mapping agency of the United States since 1879.
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