Searight, Walter Vernon,  1896- <br/><br/>
Slacking properties of South Dakota coals, 
by W. V. Searight. 
 - Vermillion, S.D.,  University of South Dakota,  1932. 
 - 2 p. l., 14 numb. l.  incl. diagrs.  28 cm. 
 - South Dakota. State Geologist. Report of investigations,  no. 12 .
 - Report of investigations (South Dakota Geological Survey) ;  no. 12. .
<br/><br/> At head of title: South Dakota geological and natural history survey, E. P. Rothrock, state geologist.  Mimeographed. 
<br/><br/><label>LCCN: </label>gs 32000197  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--South Dakota.
<br/><br/><label>LC Class. No.: </label>TP326.U6  / S875