sˈuːɪsˌʌn mˈɑːɹʃ, nˈɛkst tə ðɪ ˈɛɡzɪt ʌvðɪ ɪnvˈɜːɾᵻd sˌækɹəmˈɛntoʊ sˌæn dʒˈoʊkwɪn ɹˈɪvɚ dˈɛltə, hɐz pɹətˈɛktᵻd pˈoːɹʃənz.
Suisun Marsh, next to the exit of the inverted Sacramento–San Joaquin River Delta, has protected portions.