For example, the Glen Canyon Dam altered downstream water temperatures and sediment regimes in the Glen Canyon National Recreation Area and Grand Canyon National Park.
(the Glen Canyon Dam; altered; downstream water temperatures and sediment regimes in the Glen Canyon National Recreation Area and Grand Canyon National Park) (Recreation Area; [is] National [of]; Glen Canyon) (Park; [is] National [of]; Grand Canyon)
the Glen Canyon Dam Recreation Area Park
altered [is] National [of] [is] National [of]
downstream water temperatures and sediment regimes in the Glen Canyon National Recreation Area and Grand Canyon National Park
Glen Canyon
Grand Canyon