Premium Content Subscriber only Across the 58,708 sq km of the Isaac mining and farming territories there are 83 State Emergency Service volunteers, or an average of one person per 1107sq km. It is a daunting challenge for the orange army to protecting a regional area almost as big as Tasmania Local controller Daniel Deal said while the district was ready for disaster, he was always keen to invite new members to join. “At the moment we’re on good numbers, but we would like more,” he said. “We’re scattered across the whole of Isaac.” Mr Deal said the largest groups were at Moranbah, Nebo, Clermont and the recently reopened Carmila unit, with smaller units in Dysart, Middlemount and St Lawrence.