Not sure what this is, but it looks like it could have routes on it
Box Ridge peak from Alta Mtn tarns (I think this is actually Hibox) 
Might be called “Lobox Mountain” and “Mossy Slab”
Lobox TR: http://www.nwhikers.net/forums/viewtopic.php?p=1158732
Lobox has 10-25 ft of class 4