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A probable location for Brower's Spring in Montana. Brower's Spring is a spring in the Centennial Mountains of Beaverhead County, Montana that was identified by surveyor Jacob V. Brower in 1888 as the ultimate headwaters of the Missouri River and thus of the fourth-longest river system in the world, the 3,902-mile-long (6,280 km) Mississippi–Missouri River.
The Heart of the World : A journey to the last secret place. Souvenir Press. ISBN 0-285-63742-8. F.Kingdon Ward (Author), Kenneth Cox (Editor), Ken Storm Jr (Editor), Ian Baker (Editor) Riddle of the Tsangpo Gorges: Retracing the Epic Journey of 1924–25 in South-East Tibet (Hardcover) Antique Collectors' Club Ltd (1 Jan 1999) ISBN 1-85149-371-9
The following are lists of waterfalls in the world by height, classified into two categories — natural and artificial. Natural waterfalls are further subdivided between overall height and tallest single drop. Each column (Waterfall, Height, Locality, Country) is sortable by using the up/down link in the column headings at the top of each column.
The Amazon River (UK: / ˈ æ m ə z ən /, US: / ˈ æ m ə z ɒ n /; Spanish: Río Amazonas, Portuguese: Rio Amazonas) in South America is the largest river by discharge volume of water in the world, and the longest or second-longest river system in the world, a title which is disputed with the Nile. [3] [19] [n 2]
The Mississippi is the fourteenth largest river in the world by volume. On average, the Mississippi has 8% the flow of the Amazon River , [ 45 ] which moves nearly 7 million cubic feet per second (200,000 m 3 /s) during wet seasons.
The Pecos River (/ ˈ p eɪ k ə s / PAY-kəs [4]) (Spanish: Río Pecos) originates in north-central New Mexico and flows into Texas, emptying into the Rio Grande.Its headwaters are on the eastern slope of the Sangre de Cristo mountain range in Mora County north of Pecos, New Mexico, at an elevation of over 12,000 feet (3,700 m). [5]
Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world. [note 1] [2] [3] The cave is located on the island of Hawaiʻi on the eastern slope of Kīlauea. Kīlauea is the most recently active volcano on the Big Island.
The farthest headwater is the North River in the Mesabi Range at Hibbing, Minnesota. Its drainage area, which includes the Great Lakes, the world's largest system of freshwater lakes, is 1,344,200 square kilometres (518,998.5 sq mi), of which 839,200 km 2 (324,016.9 sq mi) is in Canada and 505,000 km 2 (194,981.6 sq mi) is in the United States.