(Vancouver, WA)  --  Police in southwestern Washington are searching for a 74-year-old Vancouver woman who went missing while picking mushrooms.  The Skamania County Sheriff's office says Jung VanAtta was picking mushrooms with 87-year-old Donald Bergseng Saturday morning near Stevenson when she disappeared.  Bergseng says VanAtta went off on her own to go pick more mushrooms and then failed to return after an hour.