Police have launched a search for missing West Valley City mother Susan Cox Powell at a remote farm near Salem, Oregon.

Police dogs have been searching a wooded area. Susan Cox Powell disappeared from her Utah home December 2009. Josh Powell, Susan's husband, was considered by police as a person of interest in the case. Powell killed himself and the couple's two young children in a Washington State house fire Feb. 5, 2012.

Susan Cox Powell's father - Chuck Cox - has been at the search site.

West Valley City Police have released no additional details.