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Nice article on Sulpher Cave in Colorado Springs

Here's a nice article on Sulpher Cave in Colorado Springs - http://www.denverpost.com/opinion/ci_14659226 - where they show Mike Frazier and other notable NSS cavers in the stinking cave that had odors and other things in the air that can create holes in your shirt, color pennies black, and one wonders...Read More >>

Re: Caves of California Book For Sale Price Reduced

I have an original Caves of California book #91 of this very rare 1962 William R. Halliday book for sale. Of the 500 copies of this book that were printed 48 years ago, 175 copies were lost in a "flood". A signed copy sold on this site about 5 years ago. Here is the link to that thread.
viewtopic.php?f=16&t=198&p=1959&hilit=+caves+california#p1959...Read More >>

Re: I rigged my first tyrolean tonight.

Someone will have better details but it's a strength issue. Using the prussik you get closer to the full strength of the rope and something that will take some of the force if the trackline goes. The prussik is preloaded but in a shock it will likely slip (read, absorb some energy) prior to any force...Read More >>




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