ðɛɹˌɑːɹ sˌʌm ɹˈɛfɹənsᵻz ˈɪndᵻkˌeɪɾɪŋ ðɪ ˈɜːlɪɪst ˈɪmɪɡɹənt kɹˈɔsɪŋ wʌz ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi wˈʌn baɪ ðə bˈɑːɹɾəlsənbˈɪdwɛl pˈɑːɹɾi, bˌʌt ðə jˈuː.ˈɛs. fˈɔːɹɪst sˈɜːvɪs ˈɪndᵻkˌeɪts ðeɪ kɹˈɔst nˈɔːɹθ ʌv sˈɑːnoːɹə pˈæs ɪnðə kˈɑːɹsənˈaɪsbɜːɡ ˈɛɹiə.
There are some references indicating the earliest immigrant crossing was in 1841 by the Bartleson-Bidwell Party, but the U.S. Forest Service indicates they crossed north of Sonora Pass in the Carson-Iceberg area.