Peterson, Robert <br/><br/>
Studies - bearpaw shale at damsite in saskatchewan / by Rob-ert Peterson 

 - New York, N.Y. : ndations Division 
 - [52] p. 
 - Convention preprint paper ; no.52 .
<br/><br/> "Presented at Centennial Convocation Chicago, Illinois, Sep-tember 3-13, 1952"