ROOF FALL (7000-1-003-07) - LOCATION : MW#1 Roadway, between x-cuts #15 and #17. DIMENSIONS : H-6', W-19', L-150'. GEOLOGY : Soft, medium to dark gray shale. ROOF SUPPORT : 6' conventional bolts. The area was mined in 1983. Cutters and draw slate were present in the roof.