Hughes, Richard E. <br/><br/>
Diachronic variability in obsidian procurement patterns in northwestern and southcentral oregon 

 - Berkeley  Uni. Of California  1986 
 - xxii,429p. 
 - California university publication in anthropology 17 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>V7351:7140C53:3
<br/><br/><label>Dewey Class. No.: </label>V7351:7140C53:3  / L6