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ROOF FALL WAS FOUND AT XCUT 7+00IN #4 ENTRY OF (7NO PANEL ROOF FALL WAS DIAGONAL ACROSS AN INTERSECTION WITH DIMESNIONS OF APPROX 25FTX15FTX6FT HIGH AREA WAS BOLTED IN DEC. 1982 WITH 4FT RESI N BOLTS FALL MAY HAVE BEEN RESULT OF VARIABLE THICKNESS SANDSTONE LENSE IN DPREDEMINANTLY SHALE ROOF
A ROOF FALL WAS FOUND DURING A REGULAR WEEKELY INS ULAR WEEKLY INSPECTION OF THE RETURN AT CROSSCUT 22 + 40 ENTRY 6 IN THE #1 WEST SUBMAIN THE ROOF FALL WAS ABOUT 32X28X11 FEET HIGH THE INTERSECTION WAS PARTIALLY CLEANED AND TIMBERED BECAUSE THE RETURN WAS RESTRICTED BY PART OF THE FALL HANGING THE VARYING SAND STONE THICKNESS INDICATED A
A ROOF FALL WAS FOUND DURING THE WEEKLY EXAMINATION OF THE #2 RETURN ENTRY AT CROSSCUT 20+40 IN THE #1 WEST SUBMAIN. THE DIMENSIONS ARE APPROX 30X25X5.5 HIGH. THE AREA WAS MINED IN 6-81 & HAD SINCE CENTER PROPPED.
A ROOF FALL OCCURRED AT X-CUT 11+60 #1 ENTRY IN THE #1 WEST SUBMAIN BETWEEN THE TIME WORK WAS DONE NEAR BY & THE WEEKLY EXAM. THE CAVE IS APPROX. 18X22X4\ HIGH & CONSISTED PRIMARILY OF SHALE. THE CAUSE WOULD BE A BUILD-UP OF WATER IN THE ROOF UNTIL IT BECAME SATURATED & F ELL.
A ROOF FALL OCCURRED AT CROSSCUT 1240 2 ENTRY IN THE 1 WEST SUBMAIN BETWEEN THE TIME ADDITIONAL SECONDARY SUPPORT WAS ADDED AND THE NEXT WEEKLY EXAM THE CAVE IS APPROX 30FTX20FTX8FT AND CONSIS TED OF 1FT SANDSTONE AND 4FT SHALE WATER WAS NOTED DRIPPING FROM THE INTERSECTION DURING THE PREVIOUS WEEKLY AND CRIBS WERE SET THE INTERSECTION BECAME SATURATED AND FELL AROUND AND ON THE CR