Unidentified photographer / artist, 1859, 27 April, Two workmen in the gravel pit near the Seminary of St Acheul, 27 April 1859. The standing workman is pointing to the in situ flint, Albumen print, Bibliothèques d'Amiens Métropole, LL/36444
Unidentified photographer / artist, 1859, 27 April, Two workmen in the gravel pit near the Seminary of St Acheul, 27 April 1859. The standing workman is pointing to the in situ flint, Bibliothèques d'Amiens Métropole, LL/36443