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Title Aeromagnetic map of the Zwedru quadrangle, Liberia / by Cletus S. Wotorson and John C. Behrendt.
Imprint Reston, Va. : U.S. Geological Survey, 1974.


 Maps  I 19.91:I-777-B    AVAILABLE
Description 1 map : col. ; 43 x 56 cm., folded in envelope 30 x 24 cm.
Series Miscellaneous geologic investigations ; map I-777-B.
Note Relief shown by spot heights.
"Prepared in cooperation with the Republic of Liberia, Bureau of Natural Resources and Surveys."
"Prepared under the joint sponsorship of the government of Liberia and the Agency for International Development, U.S. Department of State."
Bibliog. Includes text, maps, and bibliography.
Subject Geomagnetism -- Liberia -- Maps.
Other Author Behrendt, John C., 1932-
Geological Survey (U.S.)
Liberia. Bureau of Natural Resources and Surveys.
Other Title Zwedru quadrangle, Liberia.
Envelope filing title: Zwedru, Liberia, aeromagnetic.