Complex sentence: The corporation and company town were named after Kennicott Glacier in the valley below, which was named after Robert Kennicott, a naturalist who explored in Alaska in the mid- 19th century.
Split into simpler sentences: The corporation and company town were named after Kennicott Glacier, which was situated in the valley below the town. The glacier was named after Robert Kennicott, a naturalist who explored in Alaska in the mid- 19th century.