Annual report of the Board of Regents of the Smithsonian Institution . the canals in flood as by far the more difficult entered into the work with all his energy and genius andto-day we can only admire the judgment with which he treated theHindia branch or the Pallacopus, and the promptitude with wn oh heacted. The whole of the waters of the two riA^ers was used for irriga-tion in all but the flood season, and Alexander had to remove theearthen barrages thrown across the Tigris before his fleet could ail upthe river from the sea. In the time of the Sassanian kings of Persia
Annual report of the Board of Regents of the Smithsonian Institution . the canals in flood as by far the more difficult entered into the work with all his energy and genius andto-day we can only admire the judgment with which he treated theHindia branch or the Pallacopus, and the promptitude with wn oh heacted. The whole of the waters of the two riA^ers was used for irriga-tion in all but the flood season, and Alexander had to remove theearthen barrages thrown across the Tigris before his fleet could ail upthe river from the sea. In the time of the Sassanian kings of Persia, in the early i. ituriesof the Christian era, the delta probably saw its greatest gigantic Nahrwan Canal, 400 feet wide and 15 feet deep, irri-gated all the country to the east of the Tigris, and the Dijail irrigatedthat to the west. The Euphrates gave off the four canals alreadymentioned by Xenophon, and canals fed by the Babylonian branchfrom near Babylon irrigated the country right up to the ancient Smithsonian Report, 1 909.—Willcocks. Plate 1,. ,,,.,.. i,:i,. |ijirj,ihiii}iri) 1 M I $ :l)liii|i)J||iHi)l I.: ^1 .!!ll\
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840
