channels  search
RTbraided streams
 buried channels
 canals
 channel geometry
 channelization
 culverts
 fluvial features
 furrows
 geomorphology
 gorges
 grooves
 gullies
 knickpoints
 lava channels
 levees
 planar bedding structures
 rills
 riprap
 rivers
 sedimentary structures
 sedimentati
SNFor the geomorphic feature, index fluvial features if applicable.