The Lime Hills are located about 200 air miles northwest of
Anchorage. One particular cave in the region became the focus of intense archaeological discovery in the 1990s.
Lime Hills Cave site features 10,000-year-old artifacts including unique bone arrowheads. The find represented the earliest appearance of the bow and arrow on the North American continent. Ancient animal bones have also been discovered, including a bison's ankle bone, which is estimated to be 27,000 years old.
