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Great Lakes

Case Study: Surveying the Hennepin Wreck in Lake Michigan

Klein System 3000

Klein’s multipurpose System 3000 is a simultaneous, dual-frequency side scan sonar that can be used to conduct a variety of survey applications in shallow and deep water. With operating frequencies of 100 and 500 kHz, the 3000 is designed for long range seafloor reconnaissance and object identification.

St. Lawrence Seaway Cargo Volumes Buoyant

The Canada-flag Algolake loading wheat at the CHS elevator in the Port of Duluth-Superior. (Photo by: Terry White / Chamber of Marine Commerce)

As marine shipping continues to support the growth of the Canadian and U.S. economies, St. Lawrence Seaway cargo shipments to-date for 2917 are 14 percent ahead of 2016 volumes.   Total cargo tonnage from March 20 to September 30 reached 24.3 million metric tons – 3 million metric tons more compared to the same period in 2016,

US-flag Great Lakes Shipping Buoyant in September

© haveseen / Adobe Stock

U.S.-flag Great Lakes freighters (lakers) moved 10.1 million tons of cargo in September, an increase of 10.7 percent compared to a year ago, the Lake Carriers’ Association (LCA) reported. September’s shipments also bettered the month’s long-term average by 3.1 percent, or 300,000 tons. LCA said iron ore cargos for steelmaking totaled 4.

Interlake Steamship Joins Green Marine

(Photo: The Interlake Steamship Company)

The Interlake Steamship Company has become the first U.S. Great Lakes ship owner to join Green Marine, a voluntary environmental certification program for the maritime industry in North America.   As the largest privately held U.S.-flagged fleet on the Great Lakes, the Interlake Steamship Company

Conrad Awarded 9-Barge Build Contract

Cutter Suction Dredge ‘Alaska’ previously delivered by Conrad to Great Lakes Dredge & Dock (Photo: Conrad)

Conrad Shipyard said it has been awarded a contract to build four anchor barges, two deck barges and three crane varges for Great Lakes Dredge & Dock Company LLC (GLDD), headquartered in Oak Brook, Ill. The four anchor barges will be built in Louisiana at Conrad’s Morgan City Shipyard, and the deck

Great Lakes/Seaway Iron Ore Trade Rises in August

File photo: CNW Group/Algoma Central Corporation

Shipments of iron ore on the Great Lakes and St. Lawrence Seaway totaled 6.7 million tons in August, an increase of 10.1 percent compared to a year ago, according to latest figures from the Lake Carriers’ Association (LCA). Shipments also bettered the month’s five-year average by 6.2 percent.   LCA said shipments from U.

US-flag Shipping on Great Lakes Up 7%in August

The Lake Carriers’ Association (LCA) said U.S.-flag Great Lakes freighters (lakers) moved 10.1 million tons of cargo in August, an increase of 7 percent compared to a year ago. The month’s shipments also bettered the August long-term average by approximately 60,000 tons.   Iron ore cargos for steelmaking totaled 4.

Two Shipwrecks Found in Lake Huron

Choctaw. Photo: Ocean Explorer, NOAA

 NOAA maritime archaeologists and partners have located and identified two previously undiscovered historic shipwrecks in Thunder Bay National Marine Sanctuary. The shipwrecks are the wooden steamer Ohio (1873-1894) and the steel-hulled steamer Choctaw (1892-1915).   In May 2017, a sanctuary-led expedition

Great Lakes Shipyard Builds First Damen Stan Tug

Handover Ceremony Photo: Damen

The first of 10 Stan Tug 1907 ICE vessels has been delivered by Great Lakes Shipyard to its sister company The Great Lakes Towing Company, both based in Ohio, U.S. Named Cleveland, the vessel marks a milestone in a licencing program agreed between Damen Shipyards Group and Great Lakes Shipyard following discussions that began in 2014.

Great Lakes Limestone Trade Up in July

© Jim Pintar / Adobe Stock

Shipments of limestone on the Great Lakes totaled 3.9 million tons in July, an increase of 15.4 percent compared to a year ago, the Lake Carriers’ Association (LCA) reported. July’s loadings were also slightly ahead of the month’s five-year average. Loadings from U.S. quarries totaled 3.16 million tons, an increase of 22.

Cargo Ship Runs Aground in Saint Marys River

The 629-foot cargo vessel Calumet sits hard aground in the St. Mary's River southeast of Sault Ste. Marie, Michigan, while a Coast Guard response boat - medium encircles the vessel, August 10, 2017. The vessel was heading to its next port of call in Brevort, Michigan when it ran aground. (US Coast Guard photo)

 The St. Marys River is closed to commercial vessels from the Soo Locks to 6 Mile Point, after a 629-foot U.S. cargo ship ran aground on the north side of Sugar Island, Wednesday, at about 11:40 p.m.   The merchant vessel, Calumet, departed Essar Steel in Sault Ste. Marie, Ont. and was transiting downbound on the St.

Cutting Edge Tech Helps Find Lake Huron Shipwrecks

Phase IV started with a series of ‘work-up’ dives used to practice technical diving techniques and refine the photogrammetric imagery acquisition protocols before visiting deeper sites. Here, NOAA Diver Joe Hoyt swims above the debris field off the stern of wooden bulk carrier New Orleans. He maintains a consistent altitude off the bottom, necessary to ensure broader coverage of the debris field features as the relate to the main vessel remains. (Credit: NOAA, Thunder Bay National Marine Sanctua

Researchers at NOAA’s Thunder Bay National Marine Sanctuary have recently completed a four-phase research project to test the application of technology to locate, document and explore shipwrecks lost in Lake Huron. Under a grant from NOAA’s Office of Ocean Exploration and Research, Thunder Bay National

Great Lakes/Seaway Iron Ore Trade Up in July

© Jerry Bernard / Adobe Stock

The Lake Carriers’ Association (LCA) reported that shipments of iron ore on the Great Lakes and St. Lawrence Seaway totaled 6.4 million tons in July, an increase of 14.7 percent compared to a year ago., yet 2.3 percent below the month’s five-year average. Shipments from U.S. Great Lakes ports totaled 6 million tons in July, an increase of 21.

Great Lakes/Seaway Iron Ore Trade Up in June

© Jim Pintar / Adobe Stock

 Shipments of iron ore on the Great Lakes and St. Lawrence Seaway totaled 6.7 million tons in June, an increase of 16 percent compared to a year ago, the Lake Carriers' Association (LCA) reported. Shipments also bettered the month’s five-year average by 8 percent.   Shipments from U.S. Great Lakes ports totaled 6 million tons in June,

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