The thermal performance of earth covered buildings in hot, arid regions /

"Work Performed Under Contract No. EG-77-C-01-4042."

University of Michigan Law Library Rare Book Room, Ann Arbor, Michigan, 1982

[Schematic Design Drawing of] Level 1 Floor Plan. Blue ink and colored pencil drawing on electrostatic print, 17 3/4 x 24 3/4 inches [from photographic copy by Lance Burgharrdt]

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

[Conceptual Sketch], untitled. Ink sketch 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]

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. Digital image only of blue ink sketches on spiral notebook paper, initialed, 8 1/4 x 10 3/4 inches