I may post these in the photography thread too, but just to finish off my album of Centralia pictures... I'll do thumbnails to save space.


Somewhere in this one you can just barely see a pipe fitted into the bedrock by the USGS to relieve gas pressure down below so it doesn't, you know, explode.





This one actually has me in it. The professor asked for a volunteer to go down the hill and grab a neat looking rock when the steam ebbed away. When the picture was taken the fissure has just issued another billowy puff and it was closing in FAST.


This next bunch is from the same field trip, but not in Centralia.
An abandoned coal mine that has turned into a mineral laden spring-mouth:


Whaleback, where the folded bedrock is exposed after a strip mining operation:




Somewhere in this one you can just barely see a pipe fitted into the bedrock by the USGS to relieve gas pressure down below so it doesn't, you know, explode.





This one actually has me in it. The professor asked for a volunteer to go down the hill and grab a neat looking rock when the steam ebbed away. When the picture was taken the fissure has just issued another billowy puff and it was closing in FAST.


This next bunch is from the same field trip, but not in Centralia.
An abandoned coal mine that has turned into a mineral laden spring-mouth:


Whaleback, where the folded bedrock is exposed after a strip mining operation:

