University of Wyoming Museum Competition, Laramie, Wyoming, 1986 (unbuilt project)

[Conceptual Sketch], untitled. Black ink sketch with yellow marker coloring on graph paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

University of Wyoming Museum Competition, Laramie, Wyoming, 1986 (unbuilt project)

[Schematic Design Drawing of Elevation], untitled. Black and blue ink sketch with gray and brown marker coloring on one sheet of tracing paper taped to black-line print, 12 3/4 x 36 inches [from photographic copy by Lance Burgharrdt]

Federal Reserve Bank of Minneapolis, Minneapolis, Minnesota, 1967-1973

[Conceptual Sketch], untitled. Brown ink sketch with notations on notebook paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Federal Reserve Bank of Minneapolis, Minneapolis, Minnesota, 1967-1973

[Conceptual Sketch], untitled. Brown ink sketch with numerical calculations on notebook paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

University of Michigan Sports Services Building, Ann Arbor, Michigan, 1985-1990

[Early Roof Study], untitled. Blue ink sketch on tracing paper, 12 x 24 1/2 inches [from photographic copy by Lance Burgharrdt]

University of Michigan Sports Services Building, Ann Arbor, Michigan, 1985-1990

[Early Roof Study], untitled. Black and blue ink sketch on tracing paper with blue and orange marker coloring, 18x28 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Early Conceptual Sketch of Site Plan], untitled. Blue ink sketch on tracing paper, initialed, 12 x 28 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Early Conceptual Sketch of Site Plan], untitled. Green ink sketch on tracing paper, 12x23 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch], untitled. Blue ink sketch on tracing paper, 12 x 18 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch], untitled. Blue ink sketch on tracing paper, 12x13 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch], untitled. Blue and green ink sketch with yellow and green marker coloring on tracing paper, 18 x 20 1/4 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch of Structure], untitled. Blue ink sketch on tracing paper with notations, initialed, 12x16 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

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

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

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

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Facade Study], untitled. Blue ink sketch on tracing paper, 12 x 21 1/2 inches [from photographic copy by Lance Burgharrdt]