Dyni, Robert C. <br/><br/>
Subsidence resulting from multiple-seam longwall mining in the western United States :  a characterization study / 
by Robert C. Dyni. 
 - Pgh. [i.e. Pittsburgh] PA :  United States Dept. of the Interior, Bureau of Mines,  1991. 
 - 20 p. :  ill., maps ;  28 cm. 
 - Information circular ;  9297 .
 - Information circular (United States. Bureau of Mines) ;  9297. .
<br/><br/>Includes bibliographical references (p. 20). 
<br/><br/><label>LCCN: </label>91021614  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine subsidences--Utah--Wasatch Plateau.<br/>Longwall mining--Environmental aspects--Utah--Wasatch Plateau.
<br/><br/><label>LC Class. No.: </label>TN295  TN319  / .U4 no. 9297 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.334 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.27:9297