Drawing, Technical

2013.042.042Archive

Profile, Great Lakes - St. Lawrence River Drainage System

Journal

2011.041.001Archive

Print

2007.004.429Archive

Forney

Chart, Navigational

W1956.003.001Archive

Manitou Passage, Lake Michigan

Drawing, Architectural

2013.049.170Archive

Jefferson Ave. Fence
[Fort Wayne]

Chart, Navigational

2013.042.916Archive

Saginaw River, Michigan

Chart, Navigational

2013.042.904Archive

Lake Erie,
West End of the Lake Including the Islands

Blueprint

1962.088.012Archive

Steam Survey Boat, Gen. C. B. Sears

Survey, Land

2014.004.268Archive

Proposed Boundary U.S. Lake Survey Fort Wayne

Drawing, Architectural

2013.049.119Archive

Fort Wayne,
Plan of Stone Embrasure for Flanking Casemates

Chart, Navigational

2013.042.486Archive

Head of Green Bay and
Entrance to Fox River, Wisconsin

Blueprint

2013.049.430Archive

Sounding Machine