The first known map to include Fort de Chartres. It was done by Francois-Benjamin Dumont De Montigny and incorrectly show four bastions on the fort (the bastions were not included in the first iteration of the fort, but part of later versions).
Inside page of Fred and Betty Turner's first annual wood-block print Christmas Card, which featured the Chapel at Fort de Chartres in Prairie Du Rocher, IL.
Guard house at Fort de Chartres that includes the Officers' Room, Guards' Room, Gunners' Room, Priest's Room, and the Chapel, with the Chapel occupying the south end of the building.