Monthly Archive: May 2024

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Mapping the Source Region of the Abbay/Blue Nile

The Nile, which traverses about 6,825 kilometres, from its farthest and most remote source in southern Rwanda to the Mediterranean Sea, is the longest river system on earth. It comprises two major tributaries, the White Nile and the Abbay, also called Blue Nile. The Abbay contributes the lion’s share to the Nile’s annual water flow (Federal Democratic Republic of Ethiopia...

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Mapping Japan: Bruno Hassenstein’s Map of the “Surroundings of Tokyo Bay and of the Volcano Fuji-No-Yama” (1879)

In 1879, the scientific journal Dr. A. Petermann’s Mittheilungen aus Justus Perthes’ Geographischer Anstalt (PGM) presented its readers with a detailed map of the Tokyo Bay area and Mount Fuji, offering more geographical information than other European maps of this region. This map, entitled The Surroundings of Tokyo Bay and of the Volcano Fuji-No-Yama (fig. 1), was the work of...

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