Projet de canal entre le Don et la Volga.
Mémoire à l'appui du projet.
First edition; folio (33.7 x 26 cm); helio-engraved frontispiece,  ll., 162 pp. with illustrations in text, 7 plates including 4 maps engraved by Erhard (3 folding). Contemporary dark green morocco-backed marbled boards, spine with raised bands gilt in compartments, gilt lettering to one, marbled endpapers, green silk bookmark.