Emergency investigation of coal waste embankments  [ motion picture] / 
U.S. Bureau of Mines 
 - (S.l.) :  Released by National Audiovisual Center,  1972 
 - 1 film reel (16 min.) :  sd., col. ;  16 mm. 
<br/><br/> show different types of coal waste deposits or dams and how they are formed. Included pictures taken after the flood disaster at Buffalo Creek, W. Va., which was caused by the failure of a water impoundment and coal refuse dump 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mine waste<br/>Flood damage prevention--West Virginia<br/>Mine safety