Complex sentence: A number of early Native American artifacts have been found in the cave, with a total of 111 chipped tools having been found throughout the formation in three complexes with the earliest suggested to date back as far as 75,000 years.
Split into simpler sentences: A number of early Native American artifacts have been found in the cave. A total of 111 chipped tools was found throughout the formation in three complexes with the earliest suggested to date back as far as 75,000 years.