Navigation on our three rivers.
- Creator Corporate Names:
- United States. Army. Corps of Engineers. Pittsburgh District.
- Title:
- Navigation on our three rivers.
- Call Number:
- P21113
- Date:
- undated
- Description:
Brochure.
- Subject Topical:
- Locks (Hydraulic engineering)--Allegheny River (Pa. and N.Y.)--Maps., Locks (Hydraulic engineering)--Monongahela River (W. Va. and Pa.)--Maps., Dams--Pennsylvania--Pittsburgh Region--Maps., Dams--Monongahela River (W. Va. and Pa.)--Maps., Locks (Hydraulic engineering)--Pennsylvania--Pittsburgh Region--Maps., Dams--Ohio River--Maps., Locks (Hydraulic engineering)--Pennsylvania--Pittsburgh Region--Pictorial works., Locks (Hydraulic engineering)--Ohio River--Maps., Dams--Allegheny River (Pa. and N.Y.)--Maps., Boats and boating--Pennsylvania--Pittsburgh Region--Maps.