Mayans at Work in the Ruins, Chichen Itza

Black ink on cream wove paper

Watercolor, white gouache and graphite on off-white cardboard

Graphite on white paper

Graphite and colored pencil on paper

Graphite on off-white wove paper

Black and white chalk on gray-brown laid paper

Black ink, white gouache, and black crayon on off-white laid paper

Watercolor and chalk over graphite on off-white illustration board

Colored crayon and chalk on tan laid paper

Colored pencil and graphite on gray cardboard

Watercolor and graphite on off-white wove paper

Watercolor on paper