With Vicksburg in Union hands, the North could control the whole length of the river.

VOA: special.2009.11.19

Then next to that north-south central hill country, you've got also running north to south, what we call the Great Jordan Rift Valley It goes the entire length of the country And the Jordan River runs through this valley.

靠近这个中心分布着南北走向山丘的国家，你看到,南北走向山谷，被称作约旦大裂谷,它贯穿整个国家的南北,约旦河流过这条裂谷。

耶鲁公开课 - 旧约导论课程节选

This means the spring floods that cleared the river of vegetation no longer happen, making it difficult for the cranes to use the length of the river to roost out of range of most predators.

BBC: Nebraska��s awe-inspiring crane migration

The precise length of a river is not easy to calculate and depends on correctly identifying the source and the mouth.

BBC: NEWS | Americas | Amazon river 'longer than Nile'

But the trust said the old canal route through Melksham had since been lost "under housing" and a new route using a short length of the River Avon would have to be built.

BBC: Plans for Wiltshire town's canal submitted