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Title Geographic map of the Zorzor quadrangle, Liberia / 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.
Imprint Washington, D.C. : U.S. Geological Survey, [197-


 Maps  I 19.91:I-773-A    AVAILABLE
Description maps : col. ; 44 x 44 cm. folded in envelopes 30 x 24 cm.
Series Miscellaneous geologic investigations ; map I-773-A.
Note Relief shown by shadings and spot heights.
In upper margin: Republic of Liberia, Ministry of Lands and Mines.
Subject Liberia -- Maps.
Other Author Liberian Geological Survey.
Liberia. Ministry of Lands and Mines.
Other Title Zorzor quadrangle, Liberia.