A group of people were snow shoeing in Tuckerman Ravine in the bottom of Right Gully when one of them slipped on an icy surface and began a head first sliding fall toward boulders.  His friend, who was below him, got in his fall line and stopped his fall.  This successfully kept his friend from injuring himself, but the person who stopped the fall suffered a broken lower leg in the process.  The caretaker from the Harvard Cabin and three local guides were in the area.  They provided first aid and began transporting the patient with some assistance from bystanders.  Snow Rangers responded to help and the patient was lowered down the Little Headwall and transported to Pinkham Notch via snowmobile where he was transferred to an ambulance.