Geothermal power  the great furnace /  [motion picture] : 
produced by the Division of Continuing Education, University of Colorado ; written, directed, and produced by Richard E. Snoke. 
 - [Boulder, Colo. :  Academic Media Services, University of Colorado],  c 1975. 
 - 1 film reel (29 min.) :  sd., col. ;  16 mm. 
<br/><br/>Bernard Udis. 
<br/><br/> Looks at geothermal resources as a viable alternative energy source. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geothermal resources.