Motocross finale weekend by Sheet Staff in Arts and Life · Sports and Outdoors — 23 Jun, 2011 Mammoth Motocross roars into its final weekend. Pick up a copy of the Motocross program around town to find out all the details. (Photo: Henschel) Share Topics: mammothNewssheet — Sheet Staff This story was written by multiple authors whose names are below the header at the top of the page, or by The Sheet staff.