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The USGS Historical Topographic Map Explorer app brings these maps to life through an interface that guides users through the steps for exploring the map collection: Find a location of interest. View the maps. Compare the maps.
The largest collection of historic aerial imagery, topographic maps and atlases. 109 million sq kilometers covering the United States over 11 times. Maps. Contemporary and historical topographic maps orthorectified to work seamlessly with aerial and satellite imagery. Compatibility.
To view the aerial view of the current map location, you need to select an aerial year to display. Click on the aerials button in the top left of the viewer. You should see a list of years pop out to the right. These are the years of aerial coverage that we currently have for the area indicated by center point of the map.
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What is the Historical Topographic map collection?
What is the largest collection of Historic maps and aerial imagery?
How do I view the aerial view of the current map Location?
TopoView shows the many and varied older maps of each area, and so is especially useful for historical purposes—for example, the names of some natural and cultural features have changed over time, and the historical names can be found on many of these topographic maps.
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The Historical Topographic Map Collection, or HTMC, provides a comprehensive digital repository of all scales and all editions of U.S. Geological Survey (USGS) printed topographic maps that is easily discovered, browsed, and downloaded by the public at no cost.
GEO has one of the largest collections of historical aerial photography in the nation. Imagery ranges in age from 1955 to the present. Click on the map to view information about years of imagery available for each county.
Historical topographic maps are useful in determining how topogrophy and property development has changed over time, and they indicate possible risks or concerns. Topographic Maps also known as “Topos” complement our aerial photography as a way to represent the earth’s surface.
