an old mystery in Rora, Norway

I have an old post-card, probably sent about 1910 and written in a blend of Norwegian and English, and it says that the front of the card shows a picture of the saw-mill at Rora. On the back of the card, it also says that "grandmamma", "Bestemor", was killed there. Does anyone know of an accident in the saw-mill at Rora in the mid-to-late 1800s that resulted in the death of a woman there?