Or 
\ ‘ FE 
k 
Gravel 
=| Areas partly or 
wholly worked out 
Note: Where the tint is broken by Lines, within the areas 
colored as grave, this has been more or less completely 
hydraulicked away. The outlines of the workings were 
surveyed with accuracy tn 1870,and were corrected in 
1879,in most of the localities where important changes 
have been made up to that time 
The apparent abnormal width of some of the 
streams, as indicated by the water “ning, ts due to the 
fact that they are deeply tilled with taudings . 
oe tp ne tag 
