Before revision: It is important to note that in conjunction with the development of the Nation's First Volunteer Ski Patrol at Stowe, Cannon Mountain, in Franconia NH, had developed the Nation's first Professional Ski Patrol .
After revision: It is important to note that in conjunction with the development of the Nation's First Volunteer Ski Patrol at Stowe, Cannon Mountain, in Franconia NH, had developed the Nation's first Professional Ski Patrol