Ice keeps March coal shipments on Great Lakes to a minimum Apr 9, 2014 4:40:52 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by logpedia on Apr 9, 2014 4:40:52 GMT -5 Ice in some places up to four feet thick kept Great Lakes coal shipments down in March, as only three cargoes were loaded during the month, the Lake Carriers' Association said Monday.DETAILS