Subterranean Urban Systems Study, Graham Foundation Grant, 1971-1974

[Conceptual Sketches], untitled. Ink sketches on spiral notebook paper, 8 1/4 x 10 3/4 inches [from photographic copy by Lance Burgharrdt]

Subterranean Urban Systems Study, Graham Foundation Grant, 1971-1974

[Conceptual Sketches], untitled. Ink sketches on spiral notebook paper, 8 1/4 x 10 3/4 inches [from photographic copy by Lance Burgharrdt]

Tougaloo College Master Plan, Tougaloo, Mississippi, 1965-1971 (unbuilt project)

[Study Sketch], untitled. Brown ink drawing on tracing paper, 18 x 17 1/2 inches [from photographic copy by Lance Burgharrdt]

Tougaloo College Master Plan, Tougaloo, Mississippi, 1965-1971 (unbuilt project)

[Conceptual Sketch], untitled. Ink and purple crayon sketch on tracing paper, 17 3/4 x 21 inches [from photographic copy by Lance Burgharrdt]

Tougaloo College Master Plan, Tougaloo, Mississippi, 1965-1971 (unbuilt project)

[Conceptual Sketch], untitled. Ink sketch on yellow paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Tougaloo College Master Plan, Tougaloo, Mississippi, 1965-1971 (unbuilt project)

[Conceptual Sketch], untitled. Ink sketch on shirt cardboard, 7 3/4 x 9 3/4 inches [from photographic copy by Lance Burgharrdt]

Tougaloo College Master Plan, Tougaloo, Mississippi, 1965-1971 (unbuilt project)

[Early Conceptual Sketches], untitled. Ink sketches on five sheets of tracing paper, 5 1/4 x 6 to 8 1/2 x 9 1/2 inches [from photographic copy by Lance Burgharrdt]

Resort Development, 1988 (unbuilt project)

[Conceptual Sketch of Site Plan], untitled. Ink sketch on graph paper with marker coloring, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Resort Development, 1988 (unbuilt project)

[Conceptual Sketch of Site Plan] with 30 Cabins. Ink sketch on graph paper, with marker coloring, initialed, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Resort Development, 1988 (unbuilt project)

[Conceptual Sketch of Floor Plan], untitled. Black and brown ink sketch on graph paper, initialed, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Resort Development, 1988 (unbuilt project)

[Conceptual Sketches of Site and Floor Plans], untitled. Ink sketches on graph paper, initialed, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Resort Development, 1988 (unbuilt project)

[Floor Plan Studies], untitled. Ink sketches on graph paper with marker coloring, initialed, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Resort Development , 1988 (unbuilt project)

[Conceptual Sketch of Site Plan], untitled. Ink sketch on graph paper with gray marker coloring, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Grasis Residence, Vail, Colorado, 1990-1994

[Conceptual Sketch], untitled. Ink sketch on tracing paper with blue, purple and yellow marker coloring, 18 x 20 1/2 inches [from photographic copy by Lance Burgharrdt]

University of Utah J. Willard Marriott Library Addition, Salt Lake City, 1992-1996

[Conceptual Sketch], untitled. Ink and colored marker sketch on tracing paper, 12 x 24 1/4 inches [from photographic copy by Lance Burgharrdt]