41/F separated from hiking partner, did not return to campsite.  Teams searched overnight in OP 1.  This mission for OP 2: seeking ground pounders and people to stay with vehicles at trailhead.  Taos Ski Valley.  Members of ASAR did not respond.  There was a stand down at 8:05 AM however duty officer was not notified of stand down until 10:00 AM.