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Title Geologic map of the Zwedru quadrangle, Liberia / by E.R. Force and H.M. Beikman.
Imprint Reston, Va. : U.S. Geological Survey, 1977.


 Maps  I 19.91:I-777-D    AVAILABLE
Description 1 map : col. ; 44 x 55 cm., on sheet 73 x 105 cm., folded in envelope 30 x 24 cm.
Series Miscellaneous geologic investigations ; map I-777-D.
Folio of the Zwedru quadrangle, Liberia.
Geological Survey (U.S.). Folio of the Zwedru quadrangle, Liberia.
Note "Hotines rectified skew orthomorphic projection and rectified coordinates."
"Prepared by the U.S. Geological Survey and the Liberian Geological Survey under the joint sponsorship of the Government of Liberia and the Agency for International Development, U.S. Department of State."
Bibliog. Includes bibliography.
Subject Geology -- Liberia -- Maps.
Other Author Beikman, Helen M.
Geological Survey (U.S.)
Liberian Geological Survey.
Other Title Zwedru quadrangle, Liberia.