This map bears the same name as Dufour's map of 1840 (Alai E.145) however it is not that map shown on plate 92. No other maps in Alai bear that title, so it probably a later French copy by an unknown mapmaker. This map nowhere near as detailed as Dufour. Ms note: data recorded. Prime meridian: Paris. Relief: hachures. Graphic Scale: Leagues, Parasangs. Projection: Polyconic. Printing Process: Lithography.
Extent
1 map ; hand col. ; 20 x 27 cm., sheet 24 x 33 cm.
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