https://allclimbing.com/chalk-dust/ Everything climbing and the outdoors. Fri, 21 Apr 2006 23:44:13 +0000 hourly 1 https://wordpress.org/?v=6.5.2 https://allclimbing.com/chalk-dust/#comment-91 Fri, 21 Apr 2006 23:44:13 +0000 http://www.allclimbing.com/archive/2006/04/chalk-dust/#comment-91 One of the climbing fishwraps had a report on this some years ago. I think the finding was that it appears to be a nuisance that might aggrevate existing conditions but is generally thought to not be harmful.

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