ɐn ɛkspˈoʊʒɚɹ ʌvðə kɹɛtˈeɪʃəs pˌeɪliːoʊdʒˈiːn bˈaʊndɚɹi kˈeɪ pˌiːdʒˈiː bˈaʊndɚɹi ɪz vˈɪzᵻbəl ɪnðə sˈʌðɚn pˈɑːɹt ʌvðə pˈɑːɹk.
An exposure of the Cretaceous–Paleogene boundary (K–Pg boundary) is visible in the southern part of the park.