rivers, riverbanks, streambed, hillsides, watercourses, riversides, roadbeds, silt, seabeds, waterways, creeks, lakes, escarpments, canals, rills, embankments, wadis, eskers, spatterdock, revetments, sandbars, seacoasts, dams, gullies, valleys, zambezi river, arroyos, shorelines, bighorn river, ponds, sluiceway, sediment, quarries, boulders, river basin, farmlands, caliche, reservior, moonscapes, mountainsides, gravel, billabongs, ditches, roadsides, mountaintops, ravines, bottomland, titicaca, sedimentation, creek bed, sloughs, fords, gorges, inlands, tussocks, murrumbidgee river, sandbanks, watersheds, streams, seashores, tributaries, salination, gabions, soils, saltpan, wetlands, oxbow, culm, landslides, footpaths, millrace, hilltops, danube river, lagoons, intertidal, sandy, highlands, canyon, acequia, indus river, weirs, irrigation ditch, rivulet, flowage, headwaters, estero, deltaic, forebay, mud, brahmaputra river, topsoil, paddies, coastland, hardpan, marl, braes, arundo, groundwater, cliffs, aqueducts, caves, semidesert, riverbed, watercourse, beach, arroyo, wadi, beaches, floodplains, marshes, waterholes, cornfields, gully, riverbank, wharves