Portion of Cassini map (18th cent.) showing an area about 7 km North-South x 15 km East-West, on the southern limit of the Yonne departement and north of the Nièvre departement, both in Burgundy, France. Towns : Treigny (Yonne). In the green frame : "Grand Boutissain", with "Petit Boutissaint" just above it.
Cassini family (18th cent.)
geoportail.fr (government outfit, public)