Trena sent us this ghost picture of what could be ectoplasm. If no one was smoking and the air was not cool so as to produce fog from one's breath, then this could be ghostly. Apparently the area must be known for having a Native American haunt it:
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native american picture
"I took this pic of what I think is a pic of an Indian on the mountain where I used to work in NJ. Let me know what you think!"