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Jonathan Siegrist

Jonathan Siegrist

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Mike Hopkins

23 FEBRUARY 2020

Jonathan Siegrist

Jonathan Siegrist making the first ascent of One Hundred Proof 9a+ at Mount Potosi, Nevada, USA

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24/02/2020 - Climbing

Jonathan Siegrist fires One Hundred Proof, new 9a+ at Mount Potosi

American climber Jonathan Siegrist has made the first ascent of One Hundred Proof, a 9a+ sports climb at Mount Potosi above Las Vegas in Nevada, USA.

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