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Si, river, China
(Encyclopedia)Si, river, China: see Xi.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...Po, river, Italy
(Encyclopedia)Po pō, It. pô [key], Latin Padus, longest river of Italy, c.405 mi (650 km) long, rising in the Cottian Alps of Piedmont, NW Italy. It winds generally east in a wide valley, past Turin, Pavia, Piace...Porcupine, river, Canada
(Encyclopedia)Porcupine pôrˈkyəpīnˌ [key], river, 448 mi (721 km) long, rising in the Ogilvie Mts., NW Yukon, Canada. It flows in a great arc NE through the Eagle Plain, then W into Alaska and to the Yukon Riv...Parsnip, river, Canada
(Encyclopedia)Parsnip, river, c.150 mi (240 km) long, rising in central British Columbia, Canada, and flowing northwest to join the Finlay River at Williston Lake and form the Peace River. Explored by Sir Alexander...Roosevelt, river, Brazil
(Encyclopedia)Roosevelt, river, c.400 mi (640 km) long, NW Brazil. It was called the Rio da Dúvida [River of Doubt] until it was explored by Theodore Roosevelt in 1913. Renamed in his honor, it is occasionally cal...Saskatchewan, river, Canada
(Encyclopedia)Saskatchewan, river, c.340 mi (550 km) long, formed by the confluence of the North Saskatchewan (c.760 mi/1,220 km long) and the South Saskatchewan (c.550 mi/890 km long) rivers near Prince Albert, ce...Tweed , river, Scotland
(Encyclopedia)Tweed, river, 97 mi (156 km) long, rising in the Southern Uplands of Scotland. It flows E through S Scotland then NE, forming the Scotland-England border for 17 mi (27 km) before entering the North Se...Tocantins , river, Brazil
(Encyclopedia)Tocantins river, 1,640 mi (2,639 km) long, formed in S central Goiás state, Brazil, by the confluence of two headstreams. It flows N to the Pará River, the southern distributary of the Amazon, SW of...Trent , river, England
(Encyclopedia)Trent, river, c.170 mi (270 km) long, rising on Biddulph Moor, Staffordshire, W England. It flows generally NE through central England before joining with the Ouse River to form the Humber estuary. Th...Browse by Subject
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