Great Lakes other lakes as "the lower lakes", because they are farther south. Sailors of bulk freighters transferring cargoes from Lake Superior and northern Lake Michigan and Lake Huron to ports on Lake Erie or Ontario commonly refer to the latter as the lower lakes and Lakes Michigan, Huron, and Superior as the upper lakes. This corresponds to thinking of Lakes Erie and Ontario as "down south" and the others as "up north". Vessels sailing north on Lake Michigan are considered "upbound" even though they are sailing toward its effluent current. Lakes Huron and Michigan are sometimes considered a single lake, called
Bay Ferries Great Lakes Bay Ferries Great Lakes Bay Ferries Great Lakes was a marketing name used by Bay Ferries Management Limited, a subsidiary of Northumberland Ferries Limited (NFL). In February 2005 Rochester Ferry Company LLC, a subsidiary of the City of Rochester, New York purchased the high speed catamaran ferry "Spirit of Ontario I" in a bankruptcy auction after previous owner Canadian American Transportation Systems (CATS) shut down the inaugural service in summer 2004 after it operated for 11 weeks. In April 2005, Rochester Ferry Company LLC selected NFL as the operator of the ferry service using "Spirit of Ontario I" between Rochester