Peterson, Sarah E.  1983- <br/><br/>
Retrieval of materials with water separation machines / 
by Sarah E. Peterson ; with contributions by   Philip P. Betancourt. 
 - Philadelphia, Pa. :  INSTAP Academic Press,  c2009. 
 - 20 p. :  ill. ;  22 cm. 
 - INSTAP archaeological excavation manual 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781931534536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Archaeology--Methodology<br/>Archaeology--Fieldwork<br/>Excavations (Archaeology)<br/>Flotation<br/>Soils--Analysis
<br/><br/><label>Dewey Class. No.: </label>631.4