Search

Search results

Displaying 21 - 30

dry farming

(Encyclopedia) dry farming, farming system adopted in areas having an annual rainfall of approximately 15 to 20 in. (38.1–50.8 cm)—with much of the rainfall in the spring and early summer—where…

plumbing

(Encyclopedia) plumbing, piping systems inside buildings for water supply and sewage. The Romans had a highly developed plumbing system; water was brought to Rome by aqueducts and distributed to…

Ashokan Reservoir

(Encyclopedia) Ashokan ReservoirAshokan Reservoirəshōˈkən [key], 13 sq mi (34 sq km), SE N.Y., completed 1912. It is supplied by the Esopus and Schoharie watersheds and provides part of New York City…

Frontinus

(Encyclopedia) Frontinus (Sextus Julius Frontinus)Frontinusfrŏntīˈnəs [key], fl. a.d. 74, Roman administrator and writer. As governor of Britain from a.d. 74 or a.d. 75 to a.d. 78, he reduced the…

Hattin, Battle of

(Encyclopedia) Hattin, Battle ofHattin, Battle ofhättēnˈ [key], battle on July 4, 1187, in N Palestine, where Saladin's Muslim forces defeated the Christian armies of Guy de Lusignan. When Saladin…

Chattahoochee

(Encyclopedia) ChattahoocheeChattahoocheechătˌəh&oomacr;ˈchē [key], river, 436 mi (702 km) long, rising in N Ga., and flowing generally SW to the Ala.-Ga. border and then S along it to join the…

catchment area

(Encyclopedia) catchment area or drainage basin, area drained by a stream or other body of water. The limits of a given catchment area are the heights of land—often called drainage divides, or…

Ural

(Encyclopedia) UralUraly&oobreve;rˈəl, Rus. &oomacr;rälˈ [key], river, c.1,580 mi (2,540 km) long, rising in the S Urals, flowing through Russia and Kazakhstan. Part of the traditional…

Catskill Mountains

(Encyclopedia) Catskill Mountains, dissected plateau of the Appalachian Mt. system, SE N.Y., W of the Hudson River. This glaciated region, wooded and rolling, with deep gorges and many waterfalls, is…

Central Valley project

(Encyclopedia) Central Valley project, central Calif., long-term general scheme for the utilization of the water of the Sacramento River basin in the north for the benefit of the farmlands of the San…