Upper Allen Township and Keystone Marker Trust, a non-profit organization, have collaborated to restore the historic Shepherdstown Keystone Marker located on the Gettysburg Pike.
Each NHL game features 60 minutes of playing time, broken down into three 20-minute periods. The league also mandates a 17-minute intermission after the first and second periods to flood and ice and provide the players with a rest period.
How long are NHL intermissions? They usually put 15+ minutes up on the clock, but from the rulebook: 77.2: Play shall be resumed promptly following each intermission upon the expiration of seventeen (17) mi â¦ nutes or a length of time designated by the League from the completion of play in the preceding period.