ɪnðə wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd ˈeɪɾi z ðə kˌælɪfˈoːɹniə ænd nᵻvˈædɚ ɹˈeɪlɹoʊd ænd ɪts pɹˈɛdᵻsˌɛsɚ, ðə kˌælɪfˈoːɹniə ænd mˈaʊnt diːˈɑːbloʊ ɹˈeɪlɹoʊd, pɹəpˈoʊzd tə ɹˈʌn ɐ nˈæɹoʊ ɡˈeɪdʒ ɹˈeɪlɹoʊd ˌoʊvɚ sˈɑːnoːɹə pˈæs wɪð ɐ lˈaɪn ɹˈʌnɪŋ fɹʌm ˈɛmɚɹivˌɪl stˈɑːktən ænd ðˈɛn kənˈɛktɪŋ wɪððə dˈɛnvɚ ænd ɹˈiːoʊ ɡɹˈænd ɹˈeɪlɹoʊd ɪn jˈuːtɔ.
In the 1880s the California and Nevada Railroad and its predecessor, the California and Mount Diablo Railroad, proposed to run a narrow gauge railroad over Sonora Pass with a line running from Emeryville - Stockton and then connecting with the Denver and Rio Grande Railroad in Utah.