Nordin, Carl F. <br/><br/>
Sand waves, bars, and wind-blown sands of the Rio Orinoco, Venezuela and Colombia / 
by Carl F. Nordin, Jr. and David Perez-Hernandez 
 - Washington, DC :  United States Government Printing Office,  1989 
 - xii, 74 p. :  ill. (some col.) ;  28 cm. 
 - The Waters and sediments of the Rio Orinoco and its major tributaries, Venezuela and Colombia ;  ch. A U.S. Geological Survey water-supply paper ;  2326 .
<br/><br/> Prepared in cooperation with the Venezuelan Ministerio del Ambiente y de los Recursos Naturales Renovables 
<br/><br/>Bibliography: p. 73-74 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sand waves--Orinoco River Watershed (Venezuela and Colombia)<br/>Sand waves--Colombia<br/>Sand-bars--Orinoco River Watershed (Venezuela and Colombia)<br/>Sand--Orinoco River Watershed (Venezuela and Colombia)<br/>Sand--Colombia<br/>Sand bars--Colombia
<br/><br/><label>Dewey Class. No.: </label>551.4830987