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MASSIVE ROCK MOVEMENT IN BLACK CANYON


topher donahue · · Unknown Hometown · Joined Sep 2007 · Points: 185

Regarding the speculation that it could be thermal expansion, freeze thaw or cyclical change: this is possible, but we've been working on the route since 2004 and have been on the flake that moved in the early spring, early summer, early fall, late fall and in both scorching hot and sub-freezing conditions and the crack was always the same until that 3 week window this spring - a period without hard freezes, extreme high temperatures or anything other than moderate conditions. I make no claim to know what caused it, but if it is cyclical it is a recently started cycle.

Guideline #1: Don't be a jerk.

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