Take the tour ×  Looking for the name of this movie that I
believe is from the 1980s. There is an abandoned quarry that is
filled with water. A couple of kids are playing around it and
discover there is something in the water. One of them may have
even drowned by the supposed creature? (Can't remember.) The big
reveal is that it is an excavator under the water and the scoop
rises up every now and then due to gases rising from the quarry
floor and collecting in the scoop.  share|improve this question
add comment  1 Answer  up vote 5 down vote accepted  Frog
dreaming? It's also called The Quest.  14 year-old American kid
Cody Walpole has been forced to go and live in the Australian
Outback with his father’s best friend following the death of his
parents. Cody is an enterprising inventor. He and two local
sisters trek up to the lake near an old disused mine, which is
said to contain the Donkejin or Bunyip, a creature from
Aboriginal legend. When the girls drift out onto the lake on a
raft, Cody jumps in to save