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CHAPTER XVI. 



GENERAL REMARKS. 



There lias been no systematic sampling of the various coal 

 seams in the different collieries. Analysis have been made 

 and published, which have been obtained from various sources, 

 interested and otherwise. Until this matter is taken in hand 

 and properly carried out by some independent person, the 

 comparison of Australian coals with those of other countries 

 must be accepted as approximate only. The following are 

 the results of samples taken and analysed by representatives 

 of the Department of Mines, N.S.W. : 



