Menomonee Harbor, Mich. and Wis., improvement of. 277
Merrimac River, Mass., improvement of.......
Michigan City Harbor, Ind., improvement of.
Middleport, Ohio, examination and survey for ice-har-
Milford Harbor, Conn., improvement of...
Milford Haven, Va., examination of estuary at....
Milwaukee Bay, construction of harbor of refuge at..
Milwaukee Harbor, Wis., improvement of-----
Minnesota River, near Belle Plaine, examination and
survey of
Minnesota River, Minn., improvement of..
Minnesota River, examination source of, near foot of
Big Stone Lake...