LEADER 00000nam 2200229 a 4500 001 0840108 003 UkHlHU 007 t 008 002510 8 1987 000 eng 020 0091729076 040 UkHlHU 050 4 GF 903 N8 245 00 North America :|bthe historical geography of a changing continent /|cedited by R.D. Mitchell and P.A. Groves. 260 London :|bHutchinson,|c1987. 300 468p. 650 0 Human geography|zUnited States. 700 0 Mitchell, Robert D. 700 0 Groves, Paul A.
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