Cadigan, Robert A.  1918- <br/><br/>
Petrology of the Triassic Moenkopi formation and related strata in the Colorado plateau region / 
by Robert A. Cadigan. 
 -- Washington :   United States Government Printing Office,   1971 
 - 70 p. + map. -- 
 (Geological Survey Professional Paper  ; 692).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorado<br/>Petrología<br/>Triásico
<br/><br/><label>Universal Decimal Class. No.: </label>552(788)"6151"