@FrancisStPierre - 272 Posts
Created: 12 years ago
Interesting results!
http://hmga.gr/storehouse/word-acrobat/Ice%20Climbing%20Anchor%20Strength%20-%20MRA%202009%20-%20Marc%20Beverly.pdf
@zvasic - 101 Posts
Very good research.Thank you Francis.
@DonMont - 40 Posts
In a similar vein:
Ice anchor Workshop by Petzl-crew