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Birdsall, S., Florin, J. .
Outline of American geography.
S. l.: United States Information Agency, 1992, 196 p.: ill., 7 f. ill..
Birdsall, S., Florin, J. (1992)
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Birdsall, S., & Florin, J.
(1992).
Outline of American geography. Regional Landscapes of the United States. S. l.: United States Information Agency, 196 p.: ill., 7 f. ill..