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Crawford Notch

(Encyclopedia)Crawford Notch, water gap in the White Mts., N central N.H., through which the Saco River flows. It is named for Abel Crawford, an early settler. The area is a state park (est. 1911). ...

Han, rivers, China

(Encyclopedia)Han. 1 River of S China, 210 mi (338 km) long, rising in W Fujian prov. and flowing S through Guangdong prov. to the South China Sea at Shantou; navigable for about 100 mi (160 km) upstream. The dense...

fjord

(Encyclopedia)fjord or fiord fyôrd [key], steep-sided inlet of the sea characteristic of glaciated regions. Fjords probably resulted from the scouring by glaciers of valleys formed by any of several processes, inc...

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...

Hot Springs National Park

(Encyclopedia)Hot Springs National Park, 5,549 acres (2,247 hectares), W central Ark.; est. 1921; nearly surrounded by the city of Hot Springs. Visited by Spanish explorer Hernando De Soto in 1541, the springs, lon...

cork, in botany

(Encyclopedia)cork, protective, waterproof outer covering of the stems and roots of woody plants. Cork is a specialized secondary tissue produced by the cork cambium of the plant (see meristem, bark). The regularly...

excretion

(Encyclopedia)excretion, process of eliminating from an organism waste products of metabolism and other materials that are of no use. It is an essential process in all forms of life. In one-celled organisms wastes ...

feather star

(Encyclopedia)feather star, common name of a class of echinoderms that, as juveniles, are attached to the sea bottom by a stalk with rootlike branches; the mouth side faces upward. In the adult stage they break awa...

sea lily

(Encyclopedia)sea lily, stalked echinoderm of the class Crinoidea. Sea lilies are ancient, having reached their peak in the Middle Mississippian period; about 5,000 fossil species are known. About 80 modern species...

Poyang

(Encyclopedia)Poyang or P'o-yang both: pô-yäng [key], shallow lake, c.1,000 sq mi (2,590 sq km), N Jiangxi prov., SE China; one of China's largest lakes. It serves as a natural overflow reservoir for the Chang (Y...