Nancy Holt (April 5, 1938-February 8, 2014) was an American artist most known for her public sculpture, installation art, concrete poetry, and land art.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Nancy_Holt

Sun Tunnels by Nancy Holt
1973-76 / 4 22-ton concrete cylinders / each 9′ high x 18′ long / Great Basin Desert, Utah

Nancy Holt on Artnet: http://www.artnet.com/artists/nancy-louise-holt/

Further reading:
https://awarewomenartists.com/en/artiste/nancy-holt/
https://holtsmithsonfoundation.org/biography-nancy-holt
https://brooklynrail.org/2014/03/art/remembering-nancy-holt