?url_ver=Z39.88-2004&rft_id=doi%3A10.1785%2Fgssrl.79.5.620&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Pechmann%2C+J.+C.&rft.aulast=Pechmann&rft.aufirst=J.+C.&rft.issue=5&rft.volume=79&rft.date=September+2008&rft.issn=0895-0695&rft.atitle=Seismological+Report+on+the+6+August+2007+Crandall+Canyon+Mine+Collapse+in+Utah&rft.title=Seismological+Research+Letters&rft.pages=620-636&rft.genre=article