I mean, absent humans messing around with the Colorado River, Lake Cahuilla[1] would've eventually refilled, and then dried up, and then refilled like it's done

I mean, absent humans messing around with the Colorado River, Lake Cahuilla[1] would've eventually refilled, and then dried up, and then refilled like it's done for millennia. [1] https://en.wikipedia.org/wiki/Lake_Cahuilla#Chronology https://en.wikipedia.org/wiki/Lake_Cahuilla#Chronology