Pittsburgh Steamship Company
flags on its ships that could be up to 4.5 meters long.[1]
The Pittsburgh Steamship Company began operations in 1899 by
United States Steel Corporation
.
References
- ^ "WAVING THROUGH TIME Flags of the Sweetwater Seas". National Museum of the Great Lakes.
- ^ Oliver, Henry (1942). Iron Pioneer. New York: E. P. Dutton & Co., Inc. p. 252.
Bibliography
- Miller, Al (1999). Tin Stackers. Wayne State University Press. ISBN 0-8143-2832-6.