Related by context. Frequent words. (Click for all words.) 38 Great Lakes 36 Vermilion 36 Lakeshore 35 Chippewa 34 Three Rivers 33 Lake Superior 33 Portage 33 invasive species 33 Great Plains 31 Huron 31 Fond du Lac 30 walleye 30 La Crosse 30 Mississippi River 30 River 30 Lake Erie 30 Southeastern 30 lakes 29 Bemidji 29 lake 29 Petoskey 29 Northwest 29 DNR 29 Dubuque 29 waterway 28 freshwater 28 Midwest 28 steelhead 28 Northern 28 Manitowoc 27 St. Croix 27 Chesapeake Bay 27 Grand Haven 27 Upper Peninsula 27 Sandusky 27 Wisconsin 27 Kenosha 26 Minnesota 26 waterways 26 Front Range 26 St. Clair 26 Muskegon 26 Heartland 26 Calumet 26 Oshkosh 26 Eau Claire 25 Plains 25 carp 24 Atlantic Ocean 24 Everglades 24 Superior 23 Northland 23 Macomb 23 Midwestern 23 Traverse City 22 Northeast 22 Baltic Sea 22 St. Marys 22 North Dakota 22 Duluth 21 lakefront 21 oceans 21 Asian carp 21 Rockford 21 watersheds 20 Mid Atlantic 20 Kalamazoo 20 Twin Cities 20 Saginaw 19 Kankakee 19 Missouri 19 Niagara 19 Port Huron 19 Gulf Coast 19 Potomac River 18 Michigan 18 Quad Cities 18 Erie 17 arctic 17 Puget Sound 17 Arctic 17 Inland 17 Grand Rapids 16 Pacific Northwest 16 Illinois 15 Niagara Falls 15 Evansville 15 Ohio 15 Sault Ste 15 Indiana 15 Enbridge 14 Battle Creek 14 Lansing 12 Ann Arbor 10 Detroit 10 Manitoba 10 Sarnia 7 Thunder Bay 7 Environmental Protection Agency 6 Gov. Jennifer Granholm 6 Ontario