=LDR            22        4500
=001  4371
=082  04$a387.1 MAY
=100  1\$aMayer, Harold Melvin
=245  10$aThe port of Chicago and the St Lawrence seaway
=260  \\$aIllinois :$bDepartment of Geography University of Chicago,$c1957
=650  \0$aBooks
=852  \\$bFreeman Library$h387.1 MAY