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Closing of Navigation J
Navigating Drafts and Average Annual Drafts
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accompanying summary accompanying tabulation appended summary approximately April April 12 Association's average bituminous Buffalo Bulk Freight Canadian registry Capt cargo carriers cents channel Cleveland coal shipments coal trades Coast Guard commenced Committee continued Corp December December 19 Detroit docks downbound dredged Duluth Escanaba feet grain trades gross tons Gross Tons Gross inches included iron Lake Erie Lake Huron Lake Michigan Lake Ontario Lake Superior lakes fleet largest Lawrence Seaway lock March Marine Marquette Marys River ment million bushels million tons motorships navigation November operation peak percent Pointe Noire Port Colborne preceding receipts record reported represented Saguenay Sault season self-unloader ships Silver Bay statistics Steamer Cedarville Steamship Steel summary indicates tabulation indicates Taconite Harbor tanker tion Toledo tonnage Tons Gross Tons Tons Net Tons traffic transit U. S. registry upbound upper lake vessels gave volume water levels Welland Canal Wheat winds