Untitled (North American air distances, left page); Untitled (metric information, right page)

Graphite on paper

Graphite on paper

Black chalk over a black chalk counterproof on off-white antique laid paper, laid down on cream antique laid paper with blue antique laid paper borders adhered to face, framing lines in graphite

Brown marker on paper

Watercolor over graphite on tan paper

Gouache over graphite on white wove paper

Printed map with ball-point ink drawn line

Graphite on paper, mounted

Graphite on off-white wove paper

Black ink and watercolor on white laid paper

Ink, wash, white gouache, and applied type on composition board

Graphite on paper