A plan of survey for the mall. Estate of Mr. E.L. Ryerson.

Yellow, black ink on linen; location, type of trees, court; unsigned; 72 x 48 cm. [from photographic copy by Lance Burgharrdt]

Estate of Mr. Swift, Esq....Sketch for some alterations in plan.

Pencil on tracing paper; proposed road, tennis court, arbor, seats, native plantings, buildings; unsigned; 91 x 34 cm. [from photographic copy by Lance Burgharrdt]

Planting design for terraces at residence of Mr. Albert O. Trostel

Red, balck ink on linen; location, type of plantings; residence by E. R. Liebert; signed. 51 x 55 cm. Scale: 1" = 10' [from photographic copy by Lance Burgharrdt]

Planting plan. Estate of A. O. Trostel, Esq.

Red, black ink on linen; location, type of plantings; gardens, pool, walkways; revisions in pencil; unsigned. 103 x 38 cm. Scale: 1" = 30' [from photographic copy by Lance Burgharrdt]

Revised planting plan. Estate of Mr. A. O. Trostel

Ink onlinen; location, type of plantings; gardens, spring; signed. 101 x 40 cm. Scale: 1" =10' [from photographic copy by Lance Burgharrdt]

Planting plan. Estate of A. O. Trostel...Sec. #3

Ink on linen; location, type of plantings; pool; signed. 103 x 42 cm. Scale: 1" = 10' [from photographic copy by Lance Burgharrdt]

Grading plan of lake

Red and black ink on linen. Topographical map of area around pond ... with lines and elevations. 45 cm. x 24 cm. No scale. [from photographic copy by Lance Burgharrdt]

Planting plan for portion of estate of Mr. J. O. Armour, Lake Forest, Illinois

Ink on linen. Indicates location, type and amount of vegetation to be planted. Signed. 96 cm. x 56 cm. Scale: 1"=20' [from photographic copy by Lance Burgharrdt]

Preliminary sketch, development of pond. Estate of J.O. Armour, Esq.; Lake Forest, Ill.

Pencil on tracing paper. Notes, plantings. Signed. 73 cm. x 69 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]

Planting plan for the pond; estate of J.O. Armour, Esq., Lake Forest, Ill.

Pencil on tracing paper. Untitled, undated sheet. Labeled in lower left in pencil: "B9'" and in lower right "Topo Survey Armour." Topographical lines in pencil. No elevations. Appears to cover entire estate. Unsigned. 110 cm. x 77 cm. No scale [from photographic copy by Lance Burgharrdt]

Topographical survey for grounds of Mr. O.E. Babcock; Lake Forest, Illinois

Red and black ink on linen. Topo lines, elevations (location, type of trees). Signed. 106 cm. x 32 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]

Plan for the tile drain and grades for grounds of Mr. O.C. Babcock; Lake Forest, Illinois

Red and black ink on linen. Topo lines, tile lines, distances, profile of grape arbor. Signed. 106 cm. x 34 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]

Planting plan for grounds of Mr. O.E. Babcock; Lake Forest, Illinois

Ink on linen. Elevations, location, types of plantings, grape arbor, gardens, pool. Signed. 105 cm. x 31 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]

Revised planting plan for grounds of Mr. O.E. Babcock; Lake Forest, Illinois

Ink on linen. Location of driveways and of residence changed from Bac3; gardens, second pool added. 104 cm. x 32 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]

Revised plan for tile drains and water pipes for grounds of Mr. O.E. Babcock; Lake Forest, Illinois

Pencil on linen. Location of driveways and of residence changed from Bac3; gardens, second pool added. 104 cm. x 32 cm. Scale: 1"=30' [from photographic copy by Lance Burgharrdt]