Hayes, Philip Thayer  1923- <br/><br/>
Mesozoic stratigraphy of the mule and Huachuca mountains, Arizona / 
by Philip T. Hayes. 
 -- Washington :   United States Government Printing Office,   1970 
 - 28 p. -- 
 (Geological Survey Professional Paper  ;  658-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arizona<br/>Estratigrafía<br/>Mesozoico
<br/><br/><label>Universal Decimal Class. No.: </label>551.76(791)