1977 - Beta carries a buggy behind an ATO brother (courtesy of the CMU Archives)

1977 - CIA's Black Magic on display with trophies (courtesy of Frank Robb)

1977 - Crowd at the Starting Line (courtesy of Frank Robb)

1977 - SAE C's Limo approaches the Chute flag (courtesy of Frank Robb)

1977 - SigNu A's Hornet gets the Chute flag in Prelims Heat 9 (courtesy of Frank Robb)

1977 - SDC A's Shadowfax enters the Chute in Prelims Heat 9 (courtesy of Frank Robb)

1977 - DTD B's Green Grunge enters the Chute in Prelims Heat 9 (courtesy of Frank Robb)

1977 - PiKA A's Pi-Thon is carried by the brothers (courtesy of Frank Robb)

1977 - The crowd at the trucks (courtesy of Frank Robb)

1977 - Starting Line of Prelims Heat 4, with SAE A's Intrepid in Lane 1 (left) and DTD A's Delta Queen in Lane 3 (right) (courtesy of Frank Robb)

1977 - SAE A's Intrepid gets pushed up Hill 1 in Prelims Heat 4 (courtesy of Frank Robb)

1977 - Starting Line of Prelims Heat 10, with ATO B's Mongoose being placed in Lane 1, and an SAE brother getting The Hustler (not pictured) ready in Lane 2 (courtesy of Frank Robb).

1977 - Starting Line of Prelims Heat 10, with SAE B's The Hustler being placed in Lane 2 (courtesy of Frank Robb).

1977 - PiKA A's Pi-Thon gets under way in Lane 3 of Prelims Heat 10 (courtesy of Frank Robb)

1977 - Freeroll of Prelims Heat 7, with PhiKap A's Satori leading (left), DU A's Phoenix in 2nd (right), and SigNu B's Sinex trailing (courtesy of Frank Robb)

1977 - Freeroll of Prelims Heat 8, with ZBT A's No. 13 leading (bike, foreground) and SAE C's Limo trailing (background) (courtesy of Frank Robb)

1977 - CIA hangs out at the truck (courtesy of Frank Robb)

1977 - DU A's Phoenix gets worked on (courtest of Frank Robb)

1977 - Hill 1 of Prelims Heat 5, with PiKA B's S-2 in Lane 1 (left), PhiKap B's Shadow in Lane 2 (middle), and Fringe B's Baby Leroy in Lane 3 (right) (courtesy of Frank Robb)

1977 - Hill 1-2 Transition of Prelims Heat 5, with PiKA B's S-2 in Lane 1 (left), PhiKap B's Shadow in Lane 2 (middle), and Fringe B's Baby Leroy in Lane 3 (right) (courtesy of Frank Robb)