Oroville >> How did a giant, gaping hole develop in Oroville Dam’s main concrete spillway last week, setting in motion the chain of events that could have led to a disastrous failure of a concrete ...

In the ongoing saga of the Colorado River water shortage, your March 1 article, “Dam’s failure foreseen,” left out important history. In the early 1960s, according to a Sierra Club book, ““The Place ...