5-Person Mechanics (All Positions) (PPP 8/21/08 - Tyler Nelson) Linesman Mechanics (8/13/08 - Montoya) Line Judge Mechanics (8/13/08 - Montoya) Umpire 5-Man Mechanics  (PPP 8/13/08 - Wallace) Officials Manual Changes (06-07) NFHS  (Power Pt Presentation) Referee Mechanics  (11/8/07) IACAO (Power Pt Presentation) Clayton's Pre-game Notes 3-man Mechanics (NFHS) Line-to-Gain Instructions   NFHS Clock Operator Instructions   NFHS