GIS Data
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Geologic map of southeastern Alaska
No abstract available.
Geologic map of the Blackburn Hills volcanic field
No abstract available.
Geologic map of the Challis 1° x 2° quadrangle, Idaho
No abstract available.
Geologic map of the De Beque Quadrangle, Garfield and Mesa counties, Colorado
No abstract available.
Geologic map of the Elkol quadrangle, southwestern Wyoming
No abstract available.
Geologic map of the Elysium region of Mars
The region centered at Elysium Mons contains that second largest volcanic complex on Mars, surpassed in size by only the Tharsis complex. The Elysium region also has been a center of tectonic, fluvial, and mass-wasting activity. After degradation of ancient cratered terrain within the northern lowlands, volcanic rocks erupted from Elysium Mons, Hectas Tholus, and Albor Tholus in Elysium Planitia.