Detail for tennis courts and running track of the Oak Park and River Forest Township high school. [Oak Park, Illinois?]

Red, black ink on linen; signed. 46x42 cm. No scale. [from photographic copy by Lance Burgharrdt]

A plan showing the drainage and water supply for the athletic field for the Oak Park and River Forest Township high school. [Oak Park, Illinois?]

Red, black ink on linen; signed. 107x74 cm. Scale: 1"=16' [from photographic copy by Lance Burgharrdt]

Planting plan for Oak Park and River Forest Township high school. [Oak Park, Illinois?]

Pencil on tracing paper; location, type of plantings; at lower right, "C.E. del."; signed. 105x73 cm. Scale: 1"=16' [from photographic copy by Lance Burgharrdt]

Village of Oak Park, Ill. Park property. Oak Park, Illinois.

Ink on linen; outline of property bordered by Lake, Ridgeland, North Boulevard and Elmwood; signed. 73x63 cm. Scale: 1"=20' [from photographic copy by Lance Burgharrdt]

Village of Oak Park, Ill. Park property. Oak Park, Illinois.

Red, black ink on linen; topo. lines, elevations, trees, buildings delineated for property bounded by Grove, Ontario, Oak Park and Lake; signed. 92x74 cm. Scale: 1"=20' [from photographic copy by Lance Burgharrdt]

Park No. 2. Village of Oak Park, Ill. Park property. Drain and water plan. Oak Park, Illinois.

Ink, pencil on tracing paper; for area bounded by Lake, Ridgeland and Elmwood; signed. 56x52 cm. Scale: 1"=20' [from photographic copy by Lance Burgharrdt]

Proposed system of forest parks and country pleasure road

Black, green, blue ink on linen; map of Chicago and suburbs, with parks marked in green; signed; 130 x 71 cm; Scale: 1" = 1 mile [from photographic copy by Lance Burgharrdt]

River Forest park. District #2. Water system.

Pencil on tracing paper; location of pipes for entire park; bordered at top by Lake Ave., at left, by Keystone Ave; unsigned;; 98 x 60 cm.; No scale [from photographic copy by Lance Burgharrdt]