ires 1 to 5 (inclusive) represent, to scale, the forms of some 

 teristic " Stone Rolls " in the Mount Keira Colliery. In figs. 

 2 the small triangle at the top indicates the amount of disturb- 

 : the roof. 



i Colliery, fr 

 Garlick. The Bulli Sea] 

 but the four foot seam is 



i < • - f 



ted with a lan?e" roll" in the 

 kindly supplied by Mr. H. L. 

 and floor have been affected, 



