hiː lˈɛft kəlˈʌmbiə bˈɛɹəks tədˈeɪz væŋkˈuːvɚ, wˈɑːʃɪŋtən ænd slˈoʊli wˈɜːkt hɪz wˈeɪ ˌɪntʊ ðə kɐskˈeɪd mˈaʊntɪnz.
He left Columbia Barracks (today's Vancouver, Washington) and slowly worked his way into the Cascade Mountains.