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Kazanluk

(Encyclopedia)Kazanluk käˌzänləkˈ [key], town (1993 pop. 60,019), central Bulgaria, in the Kazanluk valley, a region famous for its rose fields. Kazanluk developed in the 17th cent. as a manufacturing center f...

Cauca

(Encyclopedia)Cauca kouˈkä [key], river, c.800 mi (1,290 km) long, rising in the Cordillera Central, near Popayán, W Colombia. It flows north in a rift valley between the Cordillera Central and Cordillera Occide...

Surma

(Encyclopedia)Surma sûrˈmə, so͝orˈmä [key], river, 320 mi (515 km) long, rising in the Manipur hills, NE India, and flowing generally W through the Surma valley, where the river is dispersed into numerous str...

organometallic chemistry

(Encyclopedia)organometallic chemistry, the reactions and use of a class of compounds (R-M) that contain a covalent bond between carbon and metal. They are prepared either by direct reaction of the metal with an or...

Tempe, Vale of

(Encyclopedia)Tempe, Vale of, Gr. Témbi, valley, c.5 mi (8 km) long, E central Greece, NE Thessaly, between Mt. Olympus and Mt. Óssa. Traversed by the Piniós River, the valley is famous for its rugged grandeur. ...

Mulholland, William

(Encyclopedia)Mulholland, William, 1855–1935, American engineer, b. Belfast, Ireland. He arrived in Los Angeles in 1877, becoming a laborer for the local water company. Despite his lack of formal training, he eve...

Lötschberg Railway

(Encyclopedia)Lötschberg Railway löchˈbĕrkh [key], electrical railroad, crossing the Bernese Alps from Thun, W central Switzerland, to Brig, on the Rhône River, S Switzerland. It passes through the Lötschberg...

Baca

(Encyclopedia)Baca bāˈkə [key], in the Bible, allegorical name of a valley. The English expression “vale (or valley) of tears” may be a translation of this, through the Vulgate. ...

Cambridge, city, England

(Encyclopedia)Cambridge, city and district, Cambridgeshire, E central England, on the River Cam. The city, set in flat country, is most famous as the site of the Univ...

Julier

(Encyclopedia)Julier yo͞olˈyər [key], pass, 7,504 ft (2,287 m) high, Grisons canton, SE Switzerland, connecting the Upper Engadine Valley to the Oberhalbstein Valley. Used since ancient times, it is crossed by t...