Related by context. Frequent words. (Click for all words.) 60 Welland Canal 59 Erie Canal 55 Penobscot River 54 waterway 53 Lake Champlain 53 MR GO 52 Housatonic River 52 St. Lawrence Seaway 52 canal 52 coffer dam 51 Rappahannock River 51 upriver 51 contaminated sediments 51 Susquehanna River 50 oxbow 50 dredged material 50 Ocmulgee River 50 Maumee River 50 Cape Cod Canal 50 Lake Macatawa 49 river 49 Tittabawassee River 49 boat ramp 49 Kennebec River 49 Youghiogheny River 49 downriver 49 dam spillway 49 Raccoon Creek 49 Soo Locks 49 dredging 49 Canal 49 Au Sable River 49 Monongahela River 49 Raritan River 48 Outer Harbor 48 navigable waterway 48 Schuylkill River 48 creek 48 Lake Butte des 48 Boat Landing 48 dredge spoils 48 Cape Fear River 48 dredge 48 Chagrin River 48 tributary 47 diked 47 Patapsco River 47 Passaic River 47 Waterway 47 Craney Island 47 spillway 47 pumphouse 47 contaminated sediment 47 shoreline 47 Admiralty Inlet 47 Crooked Creek 47 Choptank 47 Winooski River 46 unnamed tributary 46 Muddy Creek 46 tidal marsh 46 Hudson River 46 Chetco River 46 headwaters 46 Lake Champlain Bridge 46 weir 46 fishway 46 inlet 46 Boat Ramp 46 Mississippi River 46 Boat Launch 46 estuary 46 Pigeon Creek 46 Piscataqua River 46 bridge abutments 45 sewage lagoon 45 Stillwater Lift Bridge 45 Gulf Intracoastal Waterway 45 Towpath 45 weirs 45 Trent Severn Waterway 45 sluice gate 45 tailrace 45 breakwall 45 Bayonne Bridge 45 causeway 45 Creek tributary 45 Route 45 Nooksack River 44 tributary streams 44 Budd Inlet 44 coulee 44 Brandywine Creek 44 Mill Pond 44 Madaket 44 Caernarvon 44 bottomland 44 Santiam River 44 Spillway 44 towpath 44 Greenway Trail