That’s when he discovered the sinkhole. Authorities were called and the area was cordoned off. The sinkhole is approximately 40 feet deep and  is believed to have been caused by a collapsing vertical mineshaft.

The sinkhole has swallowed a tree and continues to grow.

For updates on this story, visit KCCI.

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Georgia and Florida wildlife officials work to disentangle right whale No. 5217, called Division, off St. Simons Island on Dec. 4. (Courtesy o Clearwater Marine Aquarium Research Institute)

Credit: Special