Steven, Thomas August  1917-2013 <br/><br/>
Metamorphism and the origin of granitic rocks northgate district Colorado / 
by T.A. Steven. 
 -- Washington :   United States Government Printing Office,   1957 
 - P. 335-375, [3] h. de lam. + 1 map. -- 
 (Geological Survey Professional Paper  ;  274-M).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorado ( Estados Unidos )<br/>Metamorfismo<br/>Rocas graníticas
<br/><br/><label>Universal Decimal Class. No.: </label>552.16(788)