(Portland, OR)  --  A Portland woman says she's uncovered a film roll that shows the eruption of Mount St. Helens.  Kati Dimhoff's hobby involves hunting for undeveloped film, and she says one of her most recent finds was a roll showing the eruption that took place in 1980.  Dimhoff says she's looking for clues as to who the pictures belonged to.  People can contact "KATU-TV" at their newstips address with information.