 Share your comments and concerns with a Yavapai County supervisor. Supervisor James Gregory is hosting a Black Canyon City Town Hall at 530 tonight. The Town Hall will be held at the Canyon School, located on School Loop Road in Black Canyon City. Town Halls provide residents with quality time and opportunity to learn and ask questions regarding the everyday functions of county government. The Prescott City Council meets at 1 tomorrow afternoon to discuss utility and non-utility development impact fees.