Norris, A. W. <br/><br/>
Devonian stratigraphy of northeastern Alberta and northwestern Saskatchewan 

 - Ottawa  Dept. of Mines and Technical Surveys  1963 
 - xi,168p.  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, statigraphic
<br/><br/><label>LC Class. No.: </label>QE185.A2 No.313