http://spreadsheets.google.com/feeds/list/pxmoyn3HoN6WhQngG21-DRg/od6/public/basic/cx0b92008-03-19T14:49:47.094ZDepreciation/Depletion_cokwr: 26.03, _cpzh4: 15.23, _cre1l: 12.26, _chk2m: 12.32, _ciyn3: 15.36, _ckd7g: 15.99, _clrrx: 14.91, _cyevm: 12