oʊfˈæɹəlz mˈæp kˈʌvɚd ðɪ ˈɛɹiə bˈaʊndᵻd baɪ pˈoʊst, mˈeɪsən, ænd ɡɹˈiːn stɹˈiːts ænd ðə bˈeɪ, ænd ˈɔːlsoʊ kɚɹˈɛktᵻd ðə vˈaɪɑːdʒɪt stɹˈiːt dɪzˈaɪnz, wˌɪtʃ wɜː tˈuː ɐ hˈæf dᵻɡɹˈiːz ˈɔf tɹˈuː ɹˈaɪt ˈæŋɡəlz.
O'Farrell's map covered the area bounded by Post, Mason, and Green Streets and the Bay, and also corrected the Vioget street designs, which were 2½ degrees off true right angles.