Southern amerika. ZHjul krevo

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After these specialised travel large expeditions of Frenchman Zhjulja Krevo have followed. The work on Amazon in 1879 it has begun that has proceeded on the river Putumayo to it.istokov and has returned on the river Japura. In 1880 1881 it has gone on the river Magdalena and therefrom from mountains of Colombia has gone down downwards on Guavijare and thus has reached Orinoco. The next year it has started research of Pilcomayo, however at attempt to throw light on mysterious area Grap-Chako has been killed. Its work differed high quality and, on a level with CHandlessom, it can be named by one of the largest researchers of this period. In commemoration of its works the Parisian geographical society has let out the atlas of the South American rivers partially based on its researches.

Among other researchers who have worked in pool of Amazon, geodesists of the commission on border demarcation-between Venezuela and Brazil (1880-1882), and also P.Labr should be mentioned. Labr has subjected to research district round river Madre-de-Dios sources where its predecessor Maldonado has paid with a life in search of that acknowledgement, that this river runs into Madiera, instead of to Purus.

Much has made in the field of research of hydrography of pool of Amazon by A.Kudro. In 1895 it worked on the river Tapajos, in 1896 to th river Xingu and in 1896-1897 to th river Araguajja, and in 1898, having opened a number of the rivers between Tocantins and Xingu, has finished the major opening. After it researchers had to study already open rivers and to save up a material about them. On Kudro the era of large expeditions for studying of hydrography of pool of Amazon has ended.