This collection contains files of the Cleveland-Cliffs Iron Company that are primarily concerned with discussions of extending the length of the navigation season occurring from 1935-1981. Subject files, log books, symposia papers, and news clippings offer a number of perspectives on the movement among shipping companies toward implementing longer navigation seasons. The logbooks are from the S.S. CADILLAC for 1944-1948, 1972-1973, and 1976-1981.
Dates:
Creation: 1935-1981; Creation: Majority of material found within 1954-1979