Jim Irvine sent me details from the SottishMining.co.uk website.

Alexander George Mutch, coal cutter, 122 Mooreland Gardens, Addiewell, died on 1 June 1960 at Bangour Hospital, Broxburn, from injuries sustained on 19 May 1960 in Riddochhill Colliery, Blackburn, when a wooden roof strap fell from the roof on to the chain conveyor and was pushed against him.