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Title Geologic map of the Gbanka quadrangle, Liberia / by E.R. Force and J.D.N. Dunbar.
Imprint Reston, Va. : U.S. Geological Survey, 1977.


 Maps  I 19.91:I-776-D    AVAILABLE
Description 1 map : col. ; 44 x 44 cm., on sheet 74 x 106 cm., folded in envelope 30 x 24 cm.
Series Miscellaneous geologic investigations ; map I-776-D.
Geological Survey (U.S.). Folio of the Gbanka 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 Dunbar, J. D. F.
Geological Survey (U.S.)
Liberian Geological Survey.
Other Title Gbanka quadrangle, Liberia.