00608nam a2200181 a 450000500170000000800410001703500150005804100070007305000140008010000260009424500220012026001020014230000100024450000200025450000470027465000340032171000710035520260818155346.0                                          a.b104463080 aEN  aTN319 T35  aTanious, Naiem Shahat 0aMining subsidence  aMinneapolis, Minn. :bDepartment of Civil and Mineral Engineering, University of Minnesota,c1975  a127 p  aNTIS PB 252 455  aThesis (M. Eng.) - University of Minnesota 0aSubsidences (Earth movements)  aMinnesota. University. Department of Civil and MineraL Engineering