ArtworkTwelve Hours Twelve SummitsSign in to saveRichard Long — 1983 — Pencil, colored pencil, topographical map, and press type on paperArtwork · Museum of Modern ArtPencil, colored pencil, topographical map, and press type on paperArtistRichard LongMediumPencil, colored pencil, topographical map, and press type on paperView at Museum of Modern Art · Open Access