Browse Items (12 total) Browse All Browse by Tag Search Items Browse Map Tags: engineering Sort by: Title Creator Date Added Map of the St. Mary's River from Lake Superior to Lake Huron A. L. Magilton 1855 GENERAL VIEW NORTH OF HEADGATES TO POWER CANAL, FROM RAILROAD BRIDGE Jet Lowe, Photographer. 1978 CONSTRUCTING THE LOADING BRIDGE ON THE NORTH SIDE OF THE POWER HOUSE, JULY 16, 1917 Historic American Engineering Record 1978 REAR VIEW OF A LINE-UP OF HORRY FURNACES AT SAULT STE. MARIE Historic American Engineering Record 1978 EAST FACADE OF POWERHOUSE BUILDING Historic American Engineering Record 1968 Mackinac Bridge Construction Lawrence A. Rubin 1958 Improving St. Marys River, Mich. U.S. Army Corp of Engineers 13 February 1909 Steamer Ann Arbor No.3 leaving Frankfort Steamer Ann Arbor No.3 1901 Davis Lock Postcard A. E. Young c.1930 Image of the Locks W. J. Bell c.1890 Diagram showing graphically Total Vessels and Total Freight passing through St. Marys River U.S. Engineer Office, Detroit Michigan 1911 Letter from Roger L. Rosentreter to Mr. P. J. Remenecz Roger L. Rosentreter, Michigan Department of State 1982 Output Formats atom, dcmes-xml, json, omeka-xml, rss2