| Thackley Old 1496yds, SE178388 | 
	
	
		| Back to 9th - 11th December 2009. West Yorkshire | 
	
	
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		| The west portal. | 
		There is a breeze block wall with huge vent pipes half way through the tunnel. | 
		The pipes are big enough to crawl through so take a ladder (I knew the wall was there but didn't know the pipes were so big or I would have taken one!) | 
		As you walk in from the west end the chainage reduces (i.e. '0' is at the east end). The wall is near the 47ch marker (i.e. about 46½ch). | 
	
	
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		| Airshaft. | 
		The airshaft in relation to the west portal. | 
		The next airshaft is very wet. | 
		There is a constant stream of water. | 
	
	
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		| Just above the west end is an airshaft. | 
		The approach to the east end. | 
		Closer. | 
		Inside the east portal. | 
	
	
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		| Bit moist at this side so a draingae channel has been dug. | 
		Airshaft. | 
		The west end wall. I have heard talk that there is an Overhead Line Sub-Station in there. Anyone know? | 
		Pipes at ground level as well at this end. | 
	
	
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		| Along the ground level pipes. | 
		Drainage pit in front of the wall. | 
		The wall at this end is beyond the 40ch marker (i.e. 40½ch). So whatever it is is about 6ch long (approx 121m). | 
		The wall showing the 40 chain mark. | 
	
	
		| Back to 9th - 11th December 2009. West Yorkshire |