Truscott, S. J. (Samuel John), b. 1870.  Truscott, S. J. (Samuel John), b. 1870. <br/><br/>
Mine economics. 

 - 3rd ed. rev. and enl. / by James Russell.  3rd ed. rev. and enl. / by James Russell. 
 - London :  Mining Publications,  [1966] 
<br/><br/> First published in 1962. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining industry and finance.<br/>Ores -- Sampling and estimation.--Ores -- Sampling and estimation.<br/>Mine valuation.