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Title: Topographic map of the Island of Vieques, Puerto Rico / mapped by the Geological Survey, 1943. Year: 1946. Maker: U.S. Coast and Geodetic Survey. Language: English. Size (H x W): 40 x 112. Publication: U.S. Coast and Geodetic Survey. 1946. U.S. Dept. of the Interior, Geological Survey ; [San Juan] : Govt. of Puerto Rico, Dept. of the Interior, 1946. Washington, D.C.. Credit: Library of Congress. CM1517.