Colman, Steven M. <br/><br/>
Weathering rinds on andesitic and basaltic stones as a Quaternary age indicator, Western United States / 
by Steven M. Colman and Kenneth L. Pierce 
 - Washington :  United States Government Printing Office,  1981 
 - iv, 56 p. :  ill. ;  29 cm. 
 - Geological Survey professional paper ;  1210 .
<br/><br/>Bibliography: p. 39-41 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Quaternary<br/>Weathering--West (U.S.)<br/>Andesite--West (U.S.)<br/>Basalt--West (U.S.)
<br/><br/><label>Dewey Class. No.: </label>551.790978