Browse Items (28 total)

  • Tags: Lake Superior
HydroElectric-master-pnp-habshaer-mi-mi0000-mi0085-color-571574cu.tif

Historic American Engineering Record 1968
SooLocks-0467.tif

U.S. Army Corp of Engineers 13 February 1909
DavisLock.jpg

A. E. Young c.1930
GLCruise001.jpg

Great Lakes Transit Corporation 1932
Manitou001.jpg

Lake Michigan & Lake Superior Transportation Co c.1890
Treaty011.jpg

United States Department of the Interior 1865
Graph_full.jpg

United States Lake Survey 1913
LakeSuperiorDiveChart.jpg

Paul W. Ackerman c.1990
wreckoffitzgerald005.jpg

Frederick Stonehouse 2006
postcard003.jpg

Marine Publishing Co. Unknown
postcard001.jpg

Curteich-Chicago Unknown
Fitzgerald003.jpg

Harold S. "Stolie" Larson c.2002
MiningJournal71.jpg

The Mining Journal 21 April 1971
AGLetter74 copy.jpg

Senator Robert Griffin 13 March 1974
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