Our Projects Portfolio AllCapping ProjectsDredging Projects Manistique River AOC – OU2 Zones 5 & 6 Capping Projects, Dredging Projects View Project → Ashtabula River AOC – Dredging & Capping Dredging Projects View Project → Duluth Superior Harbor – Slips 3 & C Remedial Cap Capping Projects, Dredging Projects View Project → Stormwater Detention Pond 6 Dredging Dredging Projects View Project → St. Mary’s River Dredging Dredging Projects View Project → Neebing McIntyre Floodway (Thunder Bay) Dredging Dredging Projects View Project → Manistique River AOC – OU1 Capping Projects, Dredging Projects View Project → Former Portage Lake Shipping Canal Dredging Capping Projects, Dredging Projects View Project →