LEADER 00000nam 2200253 a 4500 001 0310080 003 UkHlHU 007 t 008 000506 1 1968 000 eng 040 UkHlHU 050 4 G 58 M3(39) 100 0 Hottenroth, Helmut. 245 04 The great clay belts in Ontario and Quebec. 260 Marburg-Lahrn :|bUnivers. Malburg Geographisches Institut, |c1968. 300 2v. 500 Marburger Geographische Schriften Heft 39. 650 0 Ontario|xHistory|xUpper Canada|xHistory and description. 650 0 Canada|xEconomic conditions. 946 650 |a Subfield is geographical name -- Check for Geac subject headings 946 650 has non-LCSH elements -- Check for Geac subject headings
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