Do not anchor to any manmade structures including the penstock system large metal pipe.
They came up to a steel trestle that held the ancient penstock above an open gorge.
With exaggerated care Cynthia mounted the wooden catwalk atop the penstock, holding Dean's hand tightly.
After a few minutes rest, they continued, first hearing, then seeing the waterfall and the reservoir from which the penstock first drew the water for its mile-long trip to town.
Dean wandered up the penstock trail, the path he and Cynthia followed earlier, where Donald Ryland had climbed.
In between, his sleep-movies starred Annie, huddled and pregnant as she walked the penstock trail in tears, and Shipton plunging down to the rocks and river below, amid scores of viewers clapping and cheering his bloody demise.
Dean wished he'd taken time to dress more warmly as he hurried down the penstock path toward where Shipton's severed line had been tethered.
As he hurried down the narrow plank catwalk atop the penstock, he caught sight of a woman stumbling toward him.
He recalled none of this, nor his damaged body being placed on a litter at the narrow edge of the cascading water and lifted upward from the depth of the inaccessible gorge to the penstock path above.
The water passes from the penstock through the guide blades of the upper wheel, and in doing so acts in an upward direction on a cover of the upper wheel, which thus becomes, as it were, a balance-piston.