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watershed

(Encyclopedia)watershed, elevation or divide separating the catchment area, or drainage basin, of one river system or group of river systems from another system or group of systems. The term is also often used syno...

marmot

(Encyclopedia)marmot, ground-living rodent of the genus Marmota, of the squirrel family, closely related to the ground squirrel, prairie dog, and chipmunk. Marmots are found in Eurasia and North America; the best-k...

Coahuila

(Encyclopedia)Coahuila kōäwēˈlä [key], state, 58,067 sq mi (150,394 sq km), N Mexico, on the northward ...

Harz

(Encyclopedia)Harz härts [key], mountain range, northern Germany, extending c.60 mi (100 km) between the Elbe and Leine rivers. The rugged mountains were once densely forested. They culminate in Brocken peak (3,74...

haze

(Encyclopedia)haze, suspension in the atmosphere of minute dust or salt particles that are not individually seen but that nevertheless reduce visibility. So-called damp haze and dry haze produce different optical e...

Gold Butte National Monument

(Encyclopedia)Gold Butte National Monument, 296,937 acres (90,506 hectares), SE Utah, est. 2016 and managed by the Bureau of Land Management. Named for a mining ghost town, the monument embraces a rugged desert lan...

Guaymas

(Encyclopedia)Guaymas gwīˈmäs [key], city, Sonora state, NW Mexico, on the bay of Guaymas. A port on the ...

Akita, city, Japan

(Encyclopedia)Akita äˈkētä [key], city, capital of Akita prefecture, NW Honshu, Japan, on the Sea of Japan. A producer of petroleum products and chemicals, Akito city also has a lar...

Altamirano, Ignacio Manuel

(Encyclopedia)Altamirano, Ignacio Manuel ēgnäˈsyō mänwĕlˈ ältämēräˈnō [key], 1834–93, Mexican novelist and poet. Altamirano came from a poor family of indigenous descent, and after gaining his formal...

Ruwenzori

(Encyclopedia)Ruwenzori ro͞oˌwənzōˈrē [key], mountain range, E central Africa, on the Uganda-Congo border, in the western arm of the Great Rift Valley between lakes Albert and Edward. This fault-block range i...