əpˌɑːn ɹˈiːtʃɪŋ ðə pˈiːk ʌv hˈɪl wˈʌnhˈʌndɹɪd ænd səstˈeɪnɪŋ ˌoʊvɚ sˈɪksti kˈæʒuːəlɾiz ɪnðə pɹˈɑːsɛs, ðə mɚɹˈiːnz ɹˈiːəlaɪzd ðæt ðɛɹ mˈæps wɜː ɹˈɔŋ ænd ðˈæt "hˈɪl" wˈʌnhˈʌndɹɪd wʌz ˈæktʃuːəli ɐ vˈɛɹi lˈɔŋ ænd nˈæɹoʊ ɹˈɪdʒ wɪð hˈaɪ ɡɹˈaʊnd ænd dʒˌæpənˈiːz pəzˈɪʃənz sˈɛvɹəl jˈɑːɹdz tə ðɛɹ nˈɔːɹθ.
Upon reaching the peak of Hill 100 and sustaining over 60 casualties in the process, the Marines realized that their maps were wrong and that "hill" 100 was actually a very long and narrow ridge with high ground and Japanese positions several yards to their north.