Untitled (bleed-through of previous page, left page); Untitled (view of "crater from Ia," right page)

Brown ink, brown wash, and white gouache, later retouched with zinc white, on blue antique laid paper with lightly incised lines

Colored marker on paper

Transparent and opaque watercolor and black chalk on parchment

Colored marker on paper

Gray wash and black chalk on cream antique laid paper; framing lines in brown ink

Brown ink and gray wash over graphite and black chalk on cream antique laid paper

Graphite on off-white wove paper

Black crayon on off-white wove paper, mounted to cardboard

Black ink on cream wove paper

Colored marker on paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper