http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Supplement No. 4, 1908, corrections and additions to Bulletin No. 18 to supplement information given upon charts of Great Lakes, and issued with those charts from Office U.S. Lake Survey, Detroit, Mich
Great Lakes, their harbors, channels, and navigable tributaries
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.