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Iowa, river, United States

(Encyclopedia)Iowa, river, 329 mi (529 km) long, rising in the lakes of N Iowa and flowing SE to the Mississippi River, SE Iowa; Cedar River (300 mi/483 km long) is its chief tributary. A power dam crosses the gorg...

Humboldt, river, United States

(Encyclopedia)Humboldt, river, c.300 mi (480 km) long, rising in several branches in the mountains of NE Nev. It meanders generally west to disappear in Humboldt Sink, W Nevada. Along with its tributaries, the Humb...

Heart, river, United States

(Encyclopedia)Heart, river, 180 mi (290 km) long, rising in the low prairie country near the Little Missouri River, SW N.Dak., and flowing E to the Missouri at Mandan, N.Dak. The Heart Butte and Dickinson dams, irr...

Hackensack, river, United States

(Encyclopedia)Hackensack, river, c.45 mi (70 km) long, rising in SE N.Y. and flowing S through the Jersey Meadows (or Meadowlands), NE N.J., to Newark Bay. The lower Hackensack is heavily industrialized (and pollut...

Gallatin, river, United States

(Encyclopedia)Gallatin, river, c.120 mi (190 km) long, rising in the Gallatin Range in the northwest corner of Yellowstone National Park, NW Wyo., and flowing generally northwest to join the Madison and Jefferson r...

Fly, river, New Guinea

(Encyclopedia)Fly, largest river of the island of New Guinea, c.650 mi (1,050 km) long, rising in the Star Mts. and flowing generally SE through Papua New Guinea to the Gulf of Papua. The Fly is navigable for steam...

Minnesota, river, United States

(Encyclopedia)Minnesota, river, 332 mi (534 km) long, rising in Big Stone Lake at the W boundary of Minnesota and flowing SE to Mankato, then NE to the Mississippi S of Minneapolis. Earlier called the St. Peter or ...

Menominee, river, United States

(Encyclopedia)Menominee, river, 118 mi (190 km) long, formed by the union of the Brule and the Michigamme rivers above Iron Mountain, W Upper Peninsula, N Mich., and flowing SE into Green Bay at Menominee. It passe...

Merrimack, river, United States

(Encyclopedia)Merrimack, river, c.110 mi (180 km) long, formed at Franklin, S central N.H., by the junction of the Pemigewasset (rising in the White Mts.) and Winnipesaukee rivers. It flows S past Concord and Manch...

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