housatonic river, cape cod canal, merrimack river, willamette river, narragansett bay, susquehanna river, river, penobscot, kennebec, sluiceway, passamaquoddy bay, cayuga lake, housatonic, landlocked salmon, fishway, millrace, penobscot bay, katahdin, alewives, headrace, menai strait, gurnet, monongahela river, coosa river, takelma, downriver, flowage, erie canal, great slave lake, welland canal, minas basin, tidal basin, fjord, millpond, lake, oxbow, togue, estuary, mendenhall glacier, cape fear river, adirondacks, squam, riverbank, creek, bighorn river, tailrace, shoreline, chichagof island, trestle bridge, headwaters, wherry, portaged, tombigbee river, st. lawrence seaway, richelieu river, forebay, driftway, squalus, thousand islands, merrymeeting, passamaquoddy, bering sea, cohos, upriver, tributary, anadromous, canoe, pond, mudflat, salmon trout, rainbow smelt, milfoil, eelgrass, quahog, lough, waterpower, johnboat, tallapoosa river, arctic ocean, platte river, coulee, weir, brook, brook trout, marsh, freshwater mussel, towpath, yellowtail flounder, baltic sea, mekong river, adirondack mountains, fiord, shallop, river thames, waterway, dory, canal, saint lawrence seaway, loch linnhe, covered bridge, kattegat, boatyard