UNITED STATES DEPARTMENT OF LABOR MINE SAFETY AND HEALTH ADMINISTRATION COAL MINE SAFETY AND HEALTH REPORT OF INVESTIGATION Surface Impoundment Facility Underground Coal Mine Noninjury Impoundment Failure/Mine Inundation Accident October 11, 2000 Big Branch Refuse Impoundment Martin County Coal Corporation Inez, Martin County, Kentucky Single Source Page Please note: You will need Adobe Acrobat Reader 5.0 or higher to view PDF files. For more information on PDF see this page    Internal Review of MSHA's Actions       at the Big Branch Refuse Impoundment Martin County Coal Corporation - File is PDF   Investigation Report - File is PDF   Triad Report - File is PDF   News Release    Watch Video   The above files are extremely large due to the pictures that are included. They are high resolution pictures resulting in larger files. We have separated the pictures from the text portion of the file for both the Investigation report and the Triad report. We have also reduced the linking within these documents to further reduce the size of the files.   Investigation Report - Text Only   Investigation Report - Figures Only We have broken the figure files down further. Part A Part A(1) Part B Part C Part D Part E Part F     Triad Report - Text Only   Triad Report - Figures Only We have broken the figure files down further. Part A Part B Part C Part D