The Helen Planitia Region of Venus in four map sheets /
| Corporate Authors: | , |
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey ;
1998.
|
| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
map I-2477. |
| Subjects: |
| Item Description: | Collective title from envelope. Relief shown by shading. Coordinates shown as: (W 180⁰--E 300⁰/N 0⁰--S -57⁰). Sheet 1 includes 3 diagrams. Cartographic material. |
|---|---|
| Physical Description: | 4 maps : some color ; on sheets 79 x 97 cm. and 74 x 84 cm., folded in envelope 30 x 24 cm. |
| Bibliography: | Includes text, bibliographical references, and index map on each sheet. |
| ISBN: | 0607902299 9780607902297 |