sentences:  Lockhart printed souvenir programs without advertisements, but rather inserted of reading material such as columns on the teams and leagues, in hopes that patrons would take it home to share with others.He made use of his position within the MAHL to promote hockey in the United States, and develop American-born players and referees.He also used MAHL players to create improvised all-star teams when a snow storm prevented a National Hockey League (NHL) match.