Untitled (bleed-through of previous page with color transfer, left page); Untitled (St. Véran with color transfer, right page)

Brown ink on tracing paper, darkened and adhered to folded wove paper

Black ink with traces of graphite on white wove paper

Russet crayon on paper

Watercolor over graphite on off-white wove paper

Black and white chalk on blue-gray wove paper

Brown ink with traces of black chalk on cream antique laid paper, mounted overall to cream antique laid paper

Graphite on paper

Watercolor

Black marker on paper

Graphite and white chalk on brown wove paper

Colored crayons and graphite on paper

Oil paint on offset lithograph, 1989 edition of Flora de la Real Expedición Botánica del Nuevo Reino de Granada (1783-1810)