The Columbia River shaped the life of this valley. It is intriguing to consider this parade of human traffic along this majestic and strategic waterway. The Columbia River provided a dependable food supply, as well as being a highway for early exploration. It was also facilitator for transport on the one hand and barrier to it on the other. It was the source of water for agriculture and industry, as well as being the fountainhead of cheap energy. The river has influenced human activities along it's shores for thousands of years from the first tentative explorations of the native people to our attempts to harness its awesome powers today. We hope you will be inspired as you walk along its banks while visiting the Adventure Lab stages. Try to imagine all the activities which transpired along it's shores as the millennia passed.
The coordinates for this bonus cache will be revealed during your Adventure. You are looking for a large pop bottle blank.
N 49 AB.CDE W 117 FG.HIJ