Trip: Mt. Shuksan - BYS couloir   Date: 5/1/2009   Trip Report: I could not let a workless good weather day slip by, despite being a touch sore from my ski of the SW face the day before, and I have the approach the N side routes dialed. I skinned in bueatiful but softening corn up to the col overlooking price lake, then cramponed up hard snow to and through lower north face. I knew the west faceing BYS would be soft as it catches direct afternoon sun, but I wanted to sco