Sigafoos, Robert S. <br/><br/>
Botanical evidence of floods and flood-plain deposition / 
by Robert S. Sigafoos. 
 -- Washington :   United States Government Printing Office,   1964 
 - 35 p. -- 
 (Geological Survey Professional Paper  ;  485-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidrología<br/>Indundaciones<br/>Sedimentación
<br/><br/><label>Universal Decimal Class. No.: </label>551.311.2