Johnson, L. A. <br/><br/>
Properties of Utah tar sands-south Seep Ridge area, P.R. Spring deposit / 
L.A. Johnson, L.C. Marchant, and C.Q. Cupps. 
 - [Washington] :  U.S. Dept. of the Interior, Bureau of Mines,  1975. 
 - 14 p. :  ill., map. 
 - Report of investigations ;  8003 .
 - United States.  Bureau of Mines.  Report of investigations ;  8003 .
 - Report of investigations (United States. Bureau of Mines) ;  8003 .
<br/><br/> Based on work done in cooperation with the University of Wyoming. 
<br/><br/><label>LCCN: </label>91055097     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bituman--Utah--south Seep Ridge region.