https://www.mariangoodman.com/artists/311-robert-smithson/works/51062/
Robert Smithson, Pulverizations, 1967 | Marian Goodman
signed Photostat Paper: 11 x 8 in. (27.9 x 20.3 cm) Frame: 19 1/8 x 15 1/8 x 1 5/8 in. (48.7 x 38.3 x 4 cm)
robert smithsonmariangoodman