Snell lectured throughout the United States on the healing properties and benefits of plants, as well as on the subject of health and wellbeing. She also authored two books: A Taste of Heritage and Grandmother’s Grandchild: My Crow Indian Life.
Alma Hogan Snell died in Billings, Montana, at the age of 85 on May 5, 2008. She was a resident of Yellowtail, Montana.