Birthday Fun

Let's take a break from Sunday Snoozles™ and with GDB friend Bu a very Happy Birthday! You all know how Sue B. is on top of things, birthday-wise... she sent along with scan from July, 1982 which (I believe) is from the "Bu era". Hidden behind the throngs of humanity is a balloon vendor. IS IT BU?? Well,we can't be sure.Another thing Sue scanned for this occasion is a 1985 guide/gate handout (brought to you by Kodak). Over 40 years have elapsed since these were given to guests, so there have been lots of changes.First up: the cover! Cast members line up in the shape of the number 30, for the park's 30th birthday. Nowadays a photographer would just use a drone, easy-peasy. Now was this shot done in 1985? It had to be either a helicopter or a drone (I'm discounting "hot air balloon"!), with my guess being a helicopter. It was early, the sun had just come up, so it was presumably before guests had entered the park. Notice the birthday cake!Zooming in to the base of the "3", we see Bu in…