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Fisherman on Lake Arthur startled by series of possible wood knocks and rock clacks witnessed in Butler County, Pennsylvania

Butler County, Pennsylvania

Near Prospect, PA

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Butler County Pennsylvania (Class B) BFRO

May 2015

While fishing on Lake Arthur at Moraine State Park I heard wood knocks and rock clacks. It seemed that they were answering each other. I would hear 2 wood knocks then maybe 10 seconds later, to the west about 200-300 yards I would hear 3 rock clacks. This sequence continued for about 8-10 minutes. The sounds stopped when a boat went past mine. I do believe in Bigfoot, I always have. However this is the first time that anything like this has happened to me. It disturbed me so much that I started up my boat and moved to another part of the lake.

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