31. The land contained about of coal measures . 32. The geology is represented by coal measure . 33. The North Craven Pennine Coal Measures are exposed, once exploited by the Ingleton coalfield. 34. The underlying rocks are the coal measures of the Manchester Coalfield covered with boulder clay. 35. The coal measures are carboniferous rocks laid down between 290 and 354 million years ago. 36. In the southern part of the basin a delta formed the lower Illawarra Coal Measures . 37. The central area of the forest is on the Coal Measures and this supports oak. 38. Further east it is the younger Coal Measures rocks which are found at the surface. 39. The report found that approximately of the creek's length were on coal measures . 40. A total of of the watershed of West Branch Tinklepaugh Creek are in coal measures .
