headwater Definition

upstream, upriver, header, masthead, headend, river basin, oxbow lake, drainage basin, estuary, basin, bottomland, watercourse, salmon trout, wetland, catchment, floodplain, downstream, groundwater, flowage, aquifer, trout, estuarine, tributaries, rivers, watersheds, embayment, creeks, tailrace, oxbow, stonefly, sediment, forebay, sedimentation, tributary, salmonid, rainbow smelt, salinity, freshwater, lakes, riparian forest, reservoirs, bighorn river, freshwater mussel, deltaic, gravels, dams, ozark plateau, silts, smallmouth, syr darya, weirs, mattole, karst, streambed, intertidal, tsangpo, brook trout, amu darya, millrace, brahmaputra river, paleogene, cutthroat trout, river, riparious, titicaca, watershed, diking, murrumbidgee river, cataract canyon, freshet, landlocked salmon, montane, mudflat, irtysh, reservior, oncorhynchus, squawfish, tableland, uplands, distributary, bioregion, headrace, habitat, esker, smallmouth bass, salween, moraine, fluviatic, steelhead, tallapoosa river, bull trout, waterways, thermocline, channelization, grayling, escarpments, geomorphology, parana river, outwash, alluvium,