The Geologic Map of the Grand Canyon and Vicinity is a beautiful Leaflet.js based interactive map of the Grand Canyon. The map is based on data gathered by the U.S. Geological Survey.
The map uses different colors to show the different rock units and geologic strata in the Grand Canyon and surrounding area. The map also includes contour lines. If you hover over the map the geologic strata at that location is revealed in the small information window. If you click on the map you can learn more about the geologic strata selected (the information is displayed below the map).
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