Multiple observations over three year span witnessed in Delaware County, New York

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My wife and I have had our farm near Treadwell, NY in Delaware County since the summer of 2001. The farm is above 130 mostly wooded acres (I don't want to give the exact number of acres to avoid someone figuring out which one it is), with about 30 acres of fields, with a few trails throughout the woods. The property is bordered by probably 2,000 or more acres of continuous woods (privately owned), and countless more acres of woods and fields that lead all the way up to Canada by just crossing dirt roads, except for one major highway (88). I have had a fascination for Bigfoot since I was young, and read about reported sightings, etc., so I am keen to notice things that could be attributed to these possible creatures others might not notice. I say possible creatures because even though I have a strong feeling they exist, I have not seen one with my own eyes. The first thing that happened was not long after we got our place. We were sitting around a campfire we made not far from the house...