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

Crayon on paper

Charcoal on paper

Black crayon on paper and mounted

Colored crayon on paper

Graphite on paper and mounted

Colored crayons on paper

Colored marker on paper

Graphite on paper

Graphite on paper

Black marker on paper

Graphite on paper

Black crayon on paper