Complex sentence: Local author Gloria Farley attributed the inscription to wandering pre-Columbian Norsemen, however the inscription has been rejected by Scandinavian philologists and runologists, who consider it to be modern (19th or 20th century).
Split into simpler sentences: Local author Gloria Farley attributed the inscription to wandering pre-Columbian Norsemen. However, the inscription has been rejected by Scandinavian philologists and runologists, who consider it to be modern (19th or 20th century).