To establish the LZ at the top of the diamond only the guide is on board the heli. After he digs out a big enough platform for the whole group and the heli, they come up on a 2nd drop. Those tracks were made by the rest of the group during that time.
"So I was sitting in my cubicle today, and I realized, ever since I started working, every single day of my life has been worse than the day before it. So that means that every single day that you see me, that's on the worst day of my life."
--Peter Gibbons (Office Space)