Mapping cave walls

While rappelling, Steele and a partner measured the size and width of a previously unknown shaft, following the riggers down 100 meters (or 360 feet) deep.

While rappelling, Steele and a partner measured the size and width of a previously unknown shaft, following the riggers down 100 meters (or 360 feet) deep.

While rappelling, Steele and a partner measured the size and width of a previously unknown shaft, following the riggers down 100 meters (or 360 feet) deep.

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