For a period of about 16 months, the Colorado River flowed into the Salton Sink, filling it to a depth of more than 80 feet.
(the Colorado River; flowed; into the Salton Sink; T:For a period of about 16 months) (the Colorado River; filling; it; to a depth of more than 80 feet)
the Colorado River the Colorado River
flowed filling
into the Salton Sink T:For a period of about 16 months
it to a depth of more than 80 feet