294 



R. D. Vernon — The Loiver Coal-measures 







A.' 



i^Xt 





o5m alley 



OS'inalley 

 \ Shaft 



DERBY, 



tiCKEStOK 



^SateSM 



WoIlAtoix^ 



i 







Ru^di natron 







n EH 



G-Tlfc 



Cdal 



Trias 



Permiaix 



SCALE. 



fO <V\ILES. 



Fig. 3. Sketch-map showing- the position of borings and shafts in the Derbyshire 

 and Nottinghamshire Coalfield. 



wordings of the Deep Hard and the Deep Soft Coals at the Clifton 

 Colliery, 3 miles north of Ruddington, and also for the known 

 southerly rise of the Coal-measures under Nottingham, the position 

 at Euddington can only be accounted for by assuming the presence of 



