To ask the Scottish Executive what proportion of (a) UK and (b) Scottish coal production, as set out in figure 3.4 of Energy in Scotland: A Compendium of Scottish Energy Statistics and Information, December 2010, was related to (i) underground and (ii) opencast mining A full disaggregation of annual coal production is available from the Coal Authority website at: http://www.coal.gov.uk/publications/miningtechnology/index.cfm.