A river, and the largest, of the Spanish Peninsula, which rises in the Cantabrian Mountains; forms for 40 m. the northern boundary of Portugal, and after a course of 500 m. falls into the Atlantic at Oporto; is navigable only where it traverses Portugal.
The Nuttall Encyclopædia: Being a Concise and Comprehensive Dictionary of General Knowledge[1] is a late 19th-century encyclopedia, edited by Rev. James Wood, first published in London in 1900 by Frederick Warne & Co Ltd.
WikipediaEditions were recorded for 1920, 1930, 1938 and 1956 and was still being sold in 1966. Editors included G. Elgie Christ and A. L. Hayden for 1930, Lawrence Hawkins Dawson for 1938 and C. M. Prior for 1956.[2]
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