Radcliffe, Daryl E. <br/><br/>
Long term response of a coal mine roof to time lapse between exposure and support (BM-TPR 110) 
Radcliffe, Daryl E. 
 - Washington  Bureau of mines  1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINAS DE CARBON<br/>CONTROL DE LAS CONDICIONES AMBIENTALES
<br/><br/><label>Universal Decimal Class. No.: </label>622.33