90 



STATISTICS OF THE COLLIERIES OF 



Jc3 



O C8 



^ ^ ^ W 



o 

 O 



§ 



09 



o 



o 

 U 



a 

 bX) o 



Co -1 

 ■^ 1-1 



6^ 



cS en 



o 



H 



CO 



O 





. o 





. < 



0) c/j 



a» 



o ^ 



a G 

 X > 





rn 0) 

 " h-1 



u? :^ ^ w § 



2 s 



CS 03 



a s 



rt e« - .- 



o o u o o 



s a 



O O C§ O 



-C 'T3 



G 



- a 



S -G 



G : 



oouooouo 



S c 



CS G 

 J3 O 



be 



G 



o 



p 



'T3 



G 

 03 



- J -^ 

 3 "^ 's 



b» bJD o 



o -^ 



2i 



G 



o 



G 



03 ^ 



^ "bJO 



IJ 



a 



o 

 o 



G 

 O 



s 



01 





O 



o 



G 



G 



03 





00 05 O ^ (N CO "V 



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 (M C^ C^ C^ <M 



