LEADER 00000nam 2200229 a 4500 001 0310691 003 UkHlHU 007 t 008 000806 1 1979 000 eng 040 UkHlHU 050 4 F 786 W9 100 0 Worster, Donald,|d1941- 245 00 Dust bowl :|bthe Southern plains in the 1930's. 260 New York :|bOxford University Press,|c1979. 300 277p. 650 0 Agriculture|xUnited States|xEconomics. 946 020 absent -- ISBN check required 946 650 |x Subfield is geographical name -- Check for Geac subject headings 946 650 has non-LCSH elements -- Check for Geac subject headings
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