New attraction
In the meantime, workers began to drill holes into the riverbed. Once the team reached the bottom, they began setting up tests to measure the rock’s absorption level. Elsewhere, surveyors grabbed the opportunity to map the contours of the falls’ surface.
As geological surveys continued at the falls, construction began on a walkway that would allow visitors to safely walk along the riverbed. On August 1, 1969, this attraction opened to the public for the first time. And while the walkway proved popular, it was not enough to bring visitor numbers back to normal levels.