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by Leighly, John
Published in University of California Publications in Geography, vol. 6, no. 7 (1939)
Published in University of California Publications in Geography, vol. 6, no. 7 (1939)
Article
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by Bowsky, William M.
Published 1981
Published 1981
Book
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by Dziewanowski, Marian Kamil
Published 1969
Published 1969
Book
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