ðɪ ˌɛkspədˈɪʃən fˈɑːloʊd ðɪ ɛɡzˈɪstɪŋ ˈɪndiən tɹˈeɪl ɚɹˈaʊnd ðə nˈɔːɹðɚn flˈæŋk ʌv mˈaʊnt ɹˈeɪniɚ ænd ˌoʊvɚ ðə pˈæs.
The expedition followed the existing Indian trail around the northern flank of Mount Rainier and over the pass.