Sand waves, bars, and wind-blown sands of the Río Orinoco, Venezuela and Colombia /
Nordin, Carl F.
Perez-Hernandez, David.
Venezuela.Ministerio del Ambiente y de los Recursos Naturales Renovables.
Washington, DC : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
1989.
"Prepared in cooperation with the Venezuelan Ministerio del Ambiente y de los Recursos Naturales Renovables."
Bibliography: p. 73-74.
Sand waves
Sand waves
Sand-bars
Sand
Sand
Sand bars