Related by context. Frequent words. (Click for all words.) 68 rivers 67 tributaries 60 tributary 59 lakes 59 river 58 freshwater 57 tailwaters 57 river basins 57 mainstem 57 creeks rivers 57 headwater 57 headwaters 56 river basin 56 creeks 55 River tributary 55 lake 55 dissolved oxygen levels 55 freshwater mussels 54 streamflows 54 rivers creeks 54 outfalls 54 River basin 53 creek 53 reservoirs 53 waterways 53 salinity 52 tailrace 52 river deltas 52 dams 52 tailwater 52 cumecs 52 rivers lakes 52 nutrient runoff 52 downstream 51 toxic algae blooms 51 upstream reservoirs 51 river valleys 51 underground aquifers 51 water 51 silting 51 upriver 51 Ice jams 51 estuaries 50 snowmelt 50 inland lakes 50 creeks streams 50 silt 50 upstream 50 streams creeks 50 sedimentation 50 Creek tributary 50 siltation 50 streamflow 50 glacial melt 50 snow melt 50 freshwater lakes 50 saugeye 50 basins 50 aquatic ecosystem 50 aquifer recharge 50 Upper Klamath 50 total dissolved solids 49 ice jams 49 dam spillway 49 sewage discharges 49 fishable 49 silted 49 rivers overflowed 49 turbidity 49 hydroelectric generating 49 basin 49 catchments 49 River 49 bd.className + = 49 Fitzroy River 49 sediment 49 watersheds 49 downriver 49 aquatic organisms 49 groundwater pumping 49 wastewater discharges 49 Elevation normal 48 Coho salmon 48 inland waters 48 hydroelectric plants 48 silty 48 impoundments 48 Reservoirs 48 Melting snow 48 spawning habitat 48 swollen rivers 48 bottomlands 48 streams 48 aquifers 48 Ganges 48 watercourse 48 brookies 48 lakes ponds 48 dammed 48 meltwater 48 river bottoms