Guettard, Jean-Étienne, (1753). Carte Mineralogique de l’Election d’Éstampes Relative a un Memoire de M. Guettard, extract from Memoire de l’Academie Royale des Sciences, plate 8, p. 292. Uncoloured engraved map, 30.5 x 32cm, at approx. scale 1:150,000. Folded with faint transfer of image, on thin paper, watermark 1749. Clean, unworn, in very good condition.

Map of rocks and mineral occurrences at outcrop and in mines around Étampes, Guettard’s birthplace.extract from Memoire de l’Academie Royale des Sciences, plate 8, p. 292. Uncoloured engraved map, 30.5 x 32cm, at approx. scale 1:150,000. Folded with faint transfer of image, on thin paper, watermark 1749. Clean, unworn, in very good condition.