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Bates, Henry Walter

(Encyclopedia)Bates, Henry Walter, 1825–92, English naturalist and explorer. In 1848 he went with A. R. Wallace to Brazil, where he explored the upper Amazon, returning in 1859 with some 8,000 new zoological spec...

Macapá

(Encyclopedia)Macapá məkəpäˈ [key], city (1996 pop. 214,197), capital of Amapá state, extreme N Brazil, on the Amazon River. Mining is central to its economy. It exports tin iron, gold, and manganese, as well...

Des Moines, river, United States

(Encyclopedia)Des Moines, river, 535 mi (861 km) long, rising in SW Minn. and flowing SE across Iowa to the Mississippi River at Keokuk, SE Iowa. Flowing through fertile farmland, the river floods in the spring and...

Des Plaines, river, United States

(Encyclopedia)Des Plaines, river, 110 mi (177 km) long, rising in SE Wis., and flowing S and SW through NE Ill., joining the Kankakee River S of Joliet, Ill., to form the Illinois River. The lower Des Plaines is pa...

Grand River, rivers, United States

(Encyclopedia)Grand River. 1 River, 260 mi (418 km) long, rising in S Mich. and flowing N to Lansing, then NW to Lake Michigan at Grand Haven. It is the longest river in the state and is navigable to the city of Gr...

New River Gorge National River

(Encyclopedia)New River Gorge National River: see National Parks and Monuments (table)national parks and monuments (table). ...

North Platte, river, United States

(Encyclopedia)North Platte, river, c.680 mi (1,090 km) long, rising in the Park Range, N Colo., and flowing in a great bend N through SE Wyo., then east across the plains of W central Nebr. to join the South Platte...

Oka, river, central European Russia

(Encyclopedia)Oka əkäˈ [key], river, c.925 mi (1,490 km) long, rising S of Orel, central European Russia. It flows N past Orel and Kaluga, E past Serpukhov, Kolomna, and Ryazan, and then NE past Murom to join th...

Black Warrior, river, United States

(Encyclopedia)Black Warrior, navigable river, 178 mi (286 km) long, rising in N central Ala. and flowing generally SW to the Tombigbee River. The Black Warrior drains a coal- and cotton-producing area, but these in...

Saint Francis, river, United States

(Encyclopedia)Saint Francis, river, c.470 mi (760 km) long, rising in the hills of SE Missouri and flowing S through NE Arkansas to join the Mississippi River near Helena, Ark. The river forms part of the Arkansasâ...