Ronaldson, James Henry. <br/><br/>
Coal, 
by J. H. Ronaldson, with 12 maps and 2 diagrams. 
 - London,  John Murray,  1920. 
 - ix, 1, 166 p.  maps, tables.  22 cm. 
 - Great Britain. Imperial institute. Mineral resources committee. Monograph on mineral resources, with special reference to the British Empire .
<br/><br/> Prepared under the direction of the Mineral resources committee of the Imperial institute, with the assistance of the scientific and technical staff. 
<br/><br/>"References to literature on coal": p. 160-166. 
<br/><br/><label>LCCN: </label>gs 21000054  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal.
<br/><br/><label>LC Class. No.: </label>TN808.G6  / R7