Eckert, Allan W. <br/><br/>
Earth treasures.  The northwestern quadrant /  Volume 3 : 
by Allan W. Eckert. 
 - New York :  Perennial Library,  c1987. 
 - xv, 632 p. :  maps. 
<br/><br/><label>ISBN: </label>0060961775 (pbk. : v. 1)  
<br/><br/><label>LCCN: </label>90024064     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals--Collection and preservation--United States.<br/>Fossils--Collection and preservation<br/>Rocks--Collection and preservation--United States.