Columbia subject headings:
Alluvial fans.
Deltas.
Rivers.
Sediment transport.
Sedimentation and deposition.
Harvard subject headings:
Alluvial fans.
Alluvium.
Deltas.
Rivers
Sediment transport.
Sedimentation and deposition.
Princeton subject headings:
Alluvial fans.
Deltas.
Rivers.
Sediment transport.
Sedimentation and deposition.