Design for the improvement of the channel of Jones Falls and drainage of the adjacent portions of the city. [Signed] Harry Tyson( July 29, 1868
Description
No old shelf mark. A proposal for flood control in central Baltimore. Also shows cross-sectional view of proposed sewer lines paralleling the river and a 125' span over the river at Baltimore Street. Attached note: Phillips 133. Prime meridian: GM. Relief: no. Projection: Plane. Printing Process: Lithography.