#1871

Wilhelms, Don E.

Alternative methods of portraying a terrane (crater Aristoteles)

Moon — map

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Author

Wilhelms, Don E.

Prepared by	U.S. Geological Survey
Prepared for	NASA
Title of host item	INTERAGENCY REPORT: ASTROGEOLOGY 55 : GEOLOGIC MAPPING OF THE SECOND PLANET
Notes	Portrayal of ( b) is ordinarily preferred. esc--Copernican satellitic crater material; Cd--Copernican dark mantling material; diagonal line pattern-- dark material; CEp--Eratosthenian or Copernic-an plains material; Ec-- Eratosthenian crater material; Eic--Imbrian or Eratosthenian crater material; Im--Imbrian mare material; Ia--Imbrian Alpes Formation (Imbrium basin ejecta?); pir--pre-Imbrian material of rugged terra
Format	map
Main theme	method, units
Object type	map
Aim	methodology