Tarah Bales and Ryan Hilbrand of Park City, Mont. are pleased to announce their engagement. Tarah is the daughter of Dale and Michelle Keyser of Laurel, Mont. Ryan is the son of Tim Hilbrand of Park City, Mont. and Renee and Paul Ersted of Morris. The happy couple will be married in Billings, Mont. on April 4, 2009. Ryan and Tarah plan to continue living and working in the Billings area.