Walter De Maria, Rather than adhere to pure formalism, Post-Minimalist artists often made explicit the psychical and physical processes involved in the actualization of art and often reflected personal and social concerns in their works.
Walter De Maria: Museum Piece, 1966. The swastika, emblem of Nazism, was once representative of prosperity, regeneration, and goodwill. By titling the swastika "Museum Piece", De Maria seems also to have been commenting on the neutralizing effects of the museum environment, in which cultural artifacts, removed from their original contexts, can be reduced to visual equivalences.
The New York Earth Room by Walter DeMaria is perfectly named, because that’s exactly what it is. It’s an interior earth sculpture that consists of a square feet Soho loft, filled with 250 cubic yards of earth. At 22 inches deep, that’s pounds of dirt.