An extremely attractive and monumentally proportioned 1857 map of Constantine, Algeria by the French cartographer <a href="https://fr.wikipedia.org/wiki/Auguste_Henri_Dufour" class="extiw" title="fr:Auguste Henri Dufour">A. H. Dufour</a>.  Shows roads, rivers, caravan routes, cities, and topographical features.  A large inset in the lower right quadrant details European holdings in North Africa.  Prepared by  Charles Dyonnet  as plate no. 44 (alternately numbered 21 and 28) in A. H. Dufour’s 1857 issued of the impressive elephant folio  Atlas Universel .
<bdi><a href="https://www.wikidata.org/wiki/Q2871221" class="extiw" title="d:Q2871221"><span title="French geographer and cartographer (1798-1865)">Auguste Henri Dufour</span></a>
</bdi>
1857 (undated)
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