USA: Dredging Helps Restore Mississippi River Channel
The St.Louis District is authorized to maintain a minimum 9-foot deep, 300-foot wide navigation channel on 300 miles of the Mississippi…
[mappress]
Source: teamsaintlouis, August 19, 2011
The St.Louis District is authorized to maintain a minimum 9-foot deep, 300-foot wide navigation channel on 300 miles of the Mississippi…
[mappress]
Source: teamsaintlouis, August 19, 2011