Untitled (adhered photocopy of Halde Rheinpreußen, left page); Untitled (adhered color photocopy of Halde Rheinpreußen, right page)

Black crayon on paper

Brown and green crayon on paper

Black crayon on paper

Colored marker on paper

Graphite on paper

Black crayon on white wove paper

Graphite on paper

Black, blue, and yellow crayon on paper and mounted

Black crayon on paper

Mixed media

Black ink and opaque watercolor on paper

Graphite on paper