There is one story from Ophir, Utah that I can find. The details are pretty sketchy and leave many holes in the story. I have a contact with the Mayor of Ophir and will be following-up with him in the future. For now, here is the report.
Large Man Like Creature
Reported: 09/16/2003 19:26:55
Date of sighting: 09/13/03
Location: Ophir City/canyon, Tooele County. Utah
Time of day incident occurred: Dusk
Area Description (vegetation and habitat): Mountains
Are there caves or abandoned shelters in the area?: YES
Nearest bodies of water: River down canyon
Describe interaction: Was asked by officials if we had seen anything roaming in the canyon. Reports had said they had seen Bigfoot.
Description of animal: Large Man like creature spotted roaming the Ophir city limits, and canyon area. Reported to local law officials.
Source: Utah UFO Hunters