Office and Factory Buildings, Cali, Colombia, 1945: Details: hose house plan, elevation, section (1/2" and 1'=1'-0")

C-print (magenta and cyan color separation) mounted on foam-core with felt-tipped pen numbers, black ink grid, acrylic airbrush marks, and masking tape

Crayon on paper

Graphite on paper

Ink on paper

Black ink on off-white wove paper

Graphite on cream laid paper

Graphite on cream wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Black, blue and brown crayon on paper

Watercolor on heavy off-white wove paper

Graphite on paper