Topographic map of Mars /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), United States. National Aeronautics and Space Administration, Planetary Geology Program (U.S.)
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1991.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2179.
Subjects:	Mars (Planet) > Maps, Topographic.

Description
Item Description:	Relief shown by contours. Coordinates shown as: W 180⁰--E 180⁰/N 90⁰--N 55⁰ (North Polar); W 180⁰--E 180⁰/S -55⁰--S -90⁰ (South Polar); W 180⁰--E 180⁰/N 57⁰--S -57⁰. "Prepared on behalf of the Planetary Geology Program, Solar System Exploration Division, Office of Space Science, National Aeronautics and Space Administration, under contract W-15,814." "Because the appearance of Mars' albedo markings changes significantly over time, this map does not supersede I-961 ... both sheets provide relevant surface markings information." Relief shown by contours and shading. Coordinates shown as: W 180--E 180/N 90--N 55 (North Polar); W 180--E 180/S -55--S -90 (South Polar); W 180--E 180/N 57--S -57. Includes text, bibliographical references, and index maps. "M 25M 4AT, 1991." Cartographic material.
Physical Description:	3 maps on 1 sheet : color ; 33 x 85 cm. and 28 cm. diam., on sheet 84 x 92 cm., folded in envelope 30 x 24 cm.
Bibliography:	Includes text, bibliographical references, and index maps.