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Diyala

(Encyclopedia)Diyala dĭyăˈlă, –ˈə [key], river, c.275 mi (440 km) long, rising as the Sirvan River in NW Iran and flowing SW through the Zagros Mts. into E Iraq, where it enters the Tigris River S of Baghda...

Bitlis

(Encyclopedia)Bitlis bĭtlĭsˈ [key], city, capital of Bitlis prov., E Turkey, on a tributary of the Tigri...

Karkheh

(Encyclopedia)Karkheh kärˈkĕ [key], ancient Choaspes, river, c.350 mi (560 km) long, rising in the Zagros Mts., W Iran, and flowing S into the Khuzestan lowland, where it forms a swamp bordering the Tigris River...

Niebuhr, Karsten

(Encyclopedia)Niebuhr, Karsten nēˈbo͝or [key], 1733–1815, German traveler in Arabia. He was sole survivor of a party of five (of whom the best known was Peter Forskal, a Swedish naturalist) sent by Frederick ...

delta

(Encyclopedia)delta [from triangular shape of the Nile delta, like the Greek letter delta], a deposit of clay, silt, and sand formed at the mouth of a river where the stream loses velocity and drops part of its sed...

Pearl, river, China

(Encyclopedia)Pearl, Chin. Zhujiang, river, 110 mi (177 km) long, S Guangdong prov., S China. Formed at Guangzhou by the confluence of the Xi and Bei rivers, it flows E then S past Guangzhou and Huangpu island to f...

Diyarbakir

(Encyclopedia)Diyarbakir dēyärˈbäkŭrˌ [key], anc. Amida, city, capital of Diyarbakir prov., SE Turkey...

Ctesiphon

(Encyclopedia)Ctesiphon tĕsˈĭfŏnˌ, tēˈsĭ– [key], ruined ancient city, 20 mi (32 km) SE of Baghdad, Iraq, on the left bank of the Tigris opposite Seleucia and at the mouth of the Diyala River. After 129 b....

Chaldaea

(Encyclopedia)Chaldaea or Chaldea both: kăldēˈə [key], properly the southernmost portion of the valley of the Tigris and the Euphrates rivers. Sometimes it is extended to include Babylonia and thus comprises al...

Seleucia

(Encyclopedia)Seleucia səlo͞oˈshə [key], ancient city of Mesopotamia, on the Tigris below modern Baghdad. Founded (c.312 b.c.) by Seleucus I, it soon replaced Babylon as the main center for east-west commerce t...

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