J80 COALFIELDS AND COLLIERIES OF AUSTRALIA. 



The following data relating to boreholes sunk for coal are 

 of interest : * 



Height 



Locality. above Total Date. Remarks. 



sea. Depth. 

 Ft. Ft. 



Camp Creek (Helensburgh) 336 1884 Struck 12ft. coal at 



846ft. 



Heathcote (near Waterfall) 467 1586 1886 1st seam 4ft. 



struck at 1513ft. 

 2nd seam 6ft. lin., 

 met with at 1577ft. 

 Holt Sutherland No. 3 



(Dent's Creek) ......... 132 2307 1887 1st seam 4ft. 2in., at 



2228ft. 



2nd seam 5ft. 3in., at 

 2296ft. 



Moorebank Estate (Liver- 



pool) .................. 40 260H 1890 1st seam 1ft. Sin., at 



2493ft. 

 2nd seam 1ft. 4in., at 



2507ft. 7in. 

 3rd seam 6ft. 6in., at 



2583ft. 4in. 

 1st Robertson's Point (Cre- 



morne) ...... . ........... 54 3005 1890 Coal 7ft, 3in. cut at 



2801ft. 9in. 



2nd Roberston's Point (Cre- ft. in. 



morne) .................. 139 1\ 2929 1892 Coal 10ft. 3in. at 



2917ft, 



Other boreholes that were not sunk deep enough, and were 

 abandoned for several reasons, are as follows: 



Locality. Total depth. Date. 



Feel 

 Newington (Parramatta River) . . . . 1312 1878 



Holt-Sutherland No. 1 (Botany) .... 2193 18T9 



Moore Park ................ 1860 1880 



Narrabeen .................. 1985 1883 



Cooper Estate (Rose Bay) ........ 1700 1888 



*T. W. E. David and E. F. Pittman, ''Notes on the Cre- 

 morne Bore (Trans. Roy. Soc., N.S.W., 1893-4). . 



