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VI. Additional Observations on the Coal Field of 

 Clackmannanshire, and a Description of the 

 absolute Shape or Form of the Coal Fields 

 in Great Britain. 



By Robert Bald, F. R. S. E, M. W. S, &. G. S. 



( Read 1st May 1819J 



A number of years have elapsed since I had the 

 honour of submitting to this Society, through the 

 medium of my friend Mr Neill, several Essays re- 

 garding the Coal Formation of Clackmannanshire. 

 Since that period, I have made many additional ob- 

 servations on the strata of that district, in parti- 

 cular, at that point where the coal formation joins 

 the Ochill Mountains. 



In order to bring the whole under review, I shall 

 recapitulate very briefly the leading points of the 

 before-mentioned essays, adding, as I go along, such 

 particulars and observations as have occurred to me 

 during the last years. 



The Coal Field of Clackmannanshire is situated 

 upon the north-west boundary of the Great Coal 



