1999. Ohio. Division of Geological Survey. Scale 1:500,000 ; Lambert conformal conic projection, standard parallels 33⁰ and 45⁰ Includes text and 2 key maps showing compilation responsibilit... Ohio. Division of Geological Survey.
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1999. On front: World map with languages by region. On verso: Alternative title: Cultures. 2 maps of world: The 1960s, Approaching the year 2000. Washington, D.C. : National Geographic Maps National Geographic Society, 1999.




