Page 1 of 1

A nice article on CJ-3 Cave in Spain

PostPosted: Jan 3, 2017 9:34 pm
by Ernie Coffman
'Tis a nice article on CJ-3 Cave in Spain, but as it shows, it can be a deadly cave. This reminded me of the mother lode area of northern California, where a high concentration of CO2 is found at certain times of the year. A lack of the right breathing elements, like in CJ-3 are to be respected, as those in California. :yikes: ... 76581.html