Office and Factory Buildings, Cali, Colombia, 1945: Plot plan and elevation (1" =50')

Graphite on paper

Crayon on paper

Gouache and blue crayon on dark cream wove paper, darkened

Watercolor and graphite on white wove paper

Graphite on off-white wove paper

Watercolor on off-white illustration board

Black ink on off-white wove paper

Black crayon on paper

Graphite on cream wove paper

Watercolor on off-white wove paper

Ink on paper

Watercolor over graphite on off-white wove paper