In the middle of the 19th Century coal was the only fuel whichcould support large scale industrialdevelopment. The Governor of the impoverished Swan River settlement in WesternAustralia offered a reward in 1839 of 2,560 acres of land for thelocation of "any considerable bed of coal". Seven years later, the explorer A C Gregory claimed the rewardafter discovering the Irwin River coal seam 200 miles north ofPerth.