94 



COAL. 



The payable coal measures of ISTew South Wales are of Permo- 

 carhonif erous age. There are three horizons (see Table of Strata, 

 page 178) of productive coal, separated by non-coaltbearing strata, 

 VIZ. : 2. Greta series (lowest). 



2. East Maitland (Tomago) series (middle). 



3. Newcastle series (upper). 



No. 1 Seam. 7 ft. 6 in. 



No. 2, Burwood Seam, 12 ft. S in. 



No. 3 Seam, 3 t. 



No. 4, Dirty Seam, 6 ft. 



No. 5, Yard Seam, 2 ft. 10 in. 



No 6, Boreliole Seam, 13 ft. 



Section tlirough 



Newcastle Coal-measures 



near Adamstown. 



Borehole Seam, 

 A. A. Co., No. 2 Pit. 



Burwood Seam, 

 Burwood CoUierv 



