Relief shown by shading. Coordinates shown as: (W 0⁰--E 30⁰/N 25⁰--S 0⁰). Includes text, 1 location map, and 3 ancillary maps. Includes bibliographical references (p. 9-10 of pamphlet).
Series:
Geologic investigations series ; I-2637 Atlas of Venus ; Sappho Patera quadrangle (V-20) Geological Survey (U.S.). Atlas of Venus. 1:5,000,000 geologic series.
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