David and Mary Betz of Steamboat Springs announce the engagement of their daughter, Heidi Leigh, to Keith Earl Valentine of Bozeman, Mont. He is the son of Lonny Valentine of Moccasin, Mont., and the late Gwen Valentine.
The bride-to-be is a 1995 graduate of Steamboat Springs High School and a 2000 graduate of Montana State University.
The groom-to-be is a 1992 graduate of Hobson High School and a 1996 graduate of Montana State University.
The couple plan to marry Sept. 2 in Steamboat Springs.