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Map Releases

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

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Geologic map of the Ptolemaeus Quadrangle of the moon Geologic map of the Ptolemaeus Quadrangle of the moon

The Ptolemaeus quadrangle is near the center of the lunar disk, in the northern part of the southern highlands. Smooth dark maria border the quadrangle on the west and north, but most of the area is complex, highly cratered terra.
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