Ƙirƙirar wani nau'i mai rikitarwa na wannan jumla Hukumar ta kuma nemi taimakawa wajen sarrafa ambaliyar ruwa a ƙananan kogin Mississippi, musamman ma bayan ambaliyar kogin Ohio na 1937.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Hukumar ta kuma nemi taimakawa wajen sarrafa ambaliyar ruwa a ƙananan kogin Mississippi, musamman a bayan ambaliyar kogin Ohio na 1937, kamar yadda bincike ya nuna cewa kashi 4 cikin dari na ruwa a ƙananan Mississippi ya samo asali ne daga kogin Tennessee. "