Christine Nofchissey McHorse (December 21, 1948-February 17, 2021) was a Navajo ceramic artist who continually experimented with designs, materials, and firing techniques.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Christine_McHorse

Spine by Christine McHorse
2010 / Micaceous clay / 27-1/4″ high / Christine Nofchissey McHorse Estate

Christine McHorse on Artnet: http://www.artnet.com/artists/christine-mchorse/

Further reading:
“The clay’s the thing: sculptor Christine Nofchissey McHorse”: https://bit.ly/3IQPXI9
https://westharlem.art/2021/03/20/christine-nofchissey-mchorse-navajo-ceramist-artist/
https://americanart.si.edu/blog/christine-mchorse-navajo-artist