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The obvious crack with the lag bolt.  The bolt has no purpose except to make us scratch our heads.
ID 106153904

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Mike Caruso
May 1, 2008
The obvious crack with the lag bolt. The bolt has no purpose except to make us scratch our heads.  
Jim Lawyer    
Definitely not a survey marker. My guess is that it was added to facilitate climbing the crack. It's hard right there, and the bolt makes a perfect foothold. Feb 19, 2017
Nolan Huther
Clarkson University
Nolan Huther   Clarkson University
The Colvin bolts are mostly soft iron, copper or brass, I think, not steel lag bolts. It also doesn't look like any of the antiquated hardware still remaining on summits. From the few glances I had of it, it looks mass-produced and not handcrafted, probably late 20th century as you might expect. Not to mention it'd be a really weird place for any surveying equipment! They usually chose the most prominent points possible- sitting right against a 80' cliff is not ideal... Feb 16, 2017
Valerie Bachinsky
West Sand Lake, NY
Valerie Bachinsky   West Sand Lake, NY
The bolt could possibly be an artifact left over from when Verplank Colvin surveyed the Adirondacks in the 1870's. I believe that Noonmark was a mostly forested summit until Colvin and his crew cleared it in order to facilitate conductting the survey (as is the case with several other Adirondack summits. May 7, 2012

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The obvious crack with the lag bolt.  The bolt has no purpose except to make us scratch our heads.