A topographic survey of the property of Mr. Arthur Jackson. Lake Forest, Illinois.

Pencil, green, red, black ink on linen; topo. lines, elevations; buildings sketched in pencil; at lower right, "Book #19, Pages 32-45. MLJ (?)." unsigned. 93 x 95 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]

Topographic map of the property of Mr. William H. Roberts on N. side of W. 105th Place.

Red, black ink on tracing paper; topo. lines; unsigned; 75 x 37 cm.; Scale: 1" = 20' [from photographic copy by Lance Burgharrdt]