Mysterious Sasquatch Painting of Shasta County California

I'm trying to solve the mystery of who painted this Sasquatch. This has been hanging in a facility in Shasta County, California for many years and no one knows where it came from. Those of you who know the location please don't disclose it as it is not accessible to the public anyway. I am very curious who the artist might be and more importantly their inspiration for this painting. Email me if you want to remain private or post what you know in the comments. I've cropped the painting so I can weed out false postings.

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