Complex sentence: The college is located within the boundaries of the North Slope, an 89,000 square mile Arctic tundra region which is not connected by road or rail and is ice-locked nine months of each year.
Split into simpler sentences: The college is located within the boundaries of the North Slope, an 89,000-square mile region of Arctic tundra which is not connected by road or rail. It is ice-locked nine months of each year.