ˌɛsˌɛnˌɑːɹsˈiː pˈɜːtʃɪst blˈæk kˈæzəm kˈævɚn ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɪks ænd bɪɡˈæn ˈɔfɚɹɪŋ fˈaɪv ˈaʊɚɹ ˌɛkspədˈɪʃən tɹˈɪps, ɪŋklˈuːdɪŋ ɹˈæpəlɪŋ, ɹˈæftɪŋ, klˈaɪmɪŋ, ænd kɹˈɔːlɪŋ θɹuː ðə wˈaɪld ˈɛɹiəz ʌvðə kˈeɪv.
SNRC purchased Black Chasm Cavern in 1996 and began offering 5 hour expedition trips, including rappelling, rafting, climbing, and crawling through the wild areas of the cave.