Practical Coal Minng For Miners : Volume I & II / 
edited by E. Mason 
 - 1st.ed. 
 - London :  Virtue & Company Limited .  1950 
 - xv, 345 pages .:  table, illustrations .;  26 cm 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining<br/>Coal mining--manual guide
<br/><br/><label>Dewey Class. No.: </label>622.33  / PRA 1950