"Black and White" was shown in 1965. "It's astonishing," said Emily Hanna, BMA's curator of African and American art. "Any survey about African-American art will show a few paintings about Spiral ...

The Holt/Smithson Foundation has released previously unpublished black-and-white archival images of ... One of the best-known masterpieces of land art, the Spiral Jetty was constructed by ...