a substance such as mud or dust, that soils someone or something

The Silence at the Center of the Onion (detail)
Woodcut on lightweight mulberry paper (2x4')

The Silence at the Center of the Onion
Woodcut on lightweight mulberry paper (2'x4')

Key (Dirt)
Soft ground etching

Key (Dirt)
Soft ground etching

Waystations
White ground etching