Barczak, Thomas M. <br/><br/>
Assessment of longwall roof behavior and support loading by linear elastic modeling of the support structure / 
by Thomas M. Barczak and W. Scott Burton. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1987. 
 - 7 p. :  ill. ;  28 cm. 
 - Bureau of Mines report of investigations / United States Department of the Interior, Bureau of Mines ;  9081 .
 - Report of investigations (United States. Bureau of Mines) ;  9081. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>86607949  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Longwall mining--Mathematical models.<br/>Elastic analysis (Engineering)
<br/><br/><label>LC Class. No.: </label>TN23  TN275  / .U43 no. 9081 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.26 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:9081