00893cam a22002651  45000010008000000030008000080050017000160080041000330100017000740350018000910400043001090420012001520430021001640500022001850820019002071000045002262450054002712600055003253000044003804900072004245040030004966500033005266500042005596510026006019341719BD-DhUL20170605122755.0720403s1957    iluab    b    000 0 eng    a   57002850   a(OCoLC)274728  aDLCcOAkUdOCoLCdICIUdOCoLCdBD-DhUL  apremarc  an-us-ilanl-----00aH31b.C514 no. 49  a386.77311bMAP1 aMayer, Harold M.q(Harold Melvin)d1916-14aThe port of Chicago and the St. Lawrence seaway /  aChicago :bThe University of Chicago Press;c1957.  axvii, 283 p. :billus., maps. ;c23 cm.1 aUniversity of Chicago. Dept. of Geography. Research paper ;vno. 49  aBibliography: p. 273-283. 0aShippingzIllinoiszChicago. 0aShippingzGreat Lakes (North America) 0aSaint Lawrence River.