Geologic map of the Sappho Patera quadrangle (V-20), Venus [cartographic material] / by George E. McGill ; U.S. Department of the Interior, U.S. Geological Survey ; prepared for the National Aeronautics and Space Administration
Scale 1:5,198,991 (1mm=5.199km) at 00 latitude ; Mercator projection
Note
Coordinates shown as: (W 00--E 300/N 250--S 00). "Prepared on behalf of the Planetary Geology Program ..." Includes text, 1 location map, and 3 ancillary maps. Relief shown by shading.
Bibliography Note
Includes bibliographical references (pages 9-10 of pamphlet).