MARSHALL - Crystal Houselog and Craig Johnson announce their engagement. Parents of the couple are Dave and Judy Houselog of Marshall, Mark Johnson of Mitchell, S.D., and Shelly Snoover of Brooklyn Center. Houselog is a 2002 Marshall High School graduate and is employed at Radio Shack. Johnson is a 2006 graduate of Onamia. The couple plans a July 9, 2010, wedding at Liberty Park in Marshall.