#3104: rocks, aeronerds
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The Cooperative National Geologic Map of the USA is a multifunctional tool that catalogs the complex rock strata that make up the contiguous United States.
https://ngmdb.usgs.gov/nationalgeology/#lat=37.0000&lng=-97.5000&zoom=4&theme=esurf&symbology=synthesis -
Map that includes airplanes, monuments, tributes and aeronautical curiosities spread across the Spanish geography.
[ES]
https://maps.app.goo.gl/MbpgXaGqfAW7Cbow6?g_st=ac
Raf