Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla A shekara ta 1974 an fara gane sakamakon muhalli na karin fitarwa a cikin Mono Basin da Owens Valley.
Tabbas, wani nau'i mai rikitarwa na jumla shine "A shekara ta 1974 an gane sakamakon muhalli na karin fitarwa a cikin Mono Basin da Owens Valley, an ba da jerin umarnin kotu game da fitar da ruwa. "