Smoky Thumb Butte Morning 17 Friday Sep 2010 Posted by Dagny Gromer in Prescott_AZ, Thumb Butte ≈ Leave a comment Tagscontrolled burn, prescott az, smoke, Thumb Butte Smoky Thumb Butte Morning, originally uploaded by dagnyg. Taken 9/14/2010 just after sunrise. This is smoke from the Sept 13-16 2010 controlled burn. Prescott was filled with choking smoke in the mornings this week. Here’s another.