665.5  / P972p <br/>
Purdy, G. A. <br/>
       Petroleum : prehistoric to petrochemicals 
 / G. A. Purdy 
 .- Toronto: Copp Clark,  1958 
 .- 492p . 
<br/><u>Subject Headings:</u> <br/>Petroleum;<br/>Petroleum industry & trade;<br/>Petroleum industry & trade -- Canada;
<br><U>Copy Details:</u><br> Acc. No.: <b>5447</b>, Full Call No.: 665.5 P972p, (cop.2)  Item type:  Books , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>