Pennsylvania. Annual report upon improvement of harbor at Pittsburg, Pa., of Allegheny River, and of Monongahela River, construction of locks and dams 2-7, operation and care of locks and dams 1-6, and dredging pools 3, 4, and 6, in Ohio River, operation of snag boats on Ohio River in Pennsylvania, 1906.
Publication Title:
Pennsylvania. Annual report upon improvement of harbor at Pittsburg, Pa., of Allegheny River, and of Monongahela River, construction of locks and dams 2-7, operation and care of locks and dams 1-6, and dredging pools 3, 4, and 6, in Ohio River, operation of snag boats on Ohio River in Pennsylvania, 1906.
Display Title:
Pennsylvania. Annual report upon improvement of harbor at Pittsburg, Pa., of Allegheny River, and of Monongahela River, construction of locks and dams 2-7, operation and care of locks and dams 1-6, and dredging pools 3, 4, and 6, in Ohio River, operation of snag boats on Ohio River in Pennsylvania, 1906.