1022 



Subsurface Geologic Methods 



Winze or shaft 



Stopes 



Fill or gob 



Inaccessable 



Timber 



Lagging, gunnite, covered 



Chute 



Manwoy or ladder 



Engineering doto 



Square sets Stulls 



Partially lagged Fill 



Side lagging Back lagging 



Survey point 

 Elevations 



ST. 3256- 

 SI7S.Z3 



517823 

 Point 



5171.10 (Brown) 



Trock 



Sectional representation is the same as p lan 

 re presentation 



Drift or crosscut 



Cross section 



Longitudinal section 



West or South 



Old work / 5ooV_x — \^ old 



Figure 540. Subsurface cultural legend. 



