Conversation so far:
When did Georgia O'Keeffe arrive in New Mexico?
Georgia O'Keeffe traveled to New Mexico by 1929.
What did Georgia O'Keeffe work on while in New Mexico?
Georgia O'Keeffe collected rocks and bones from the desert floor and made them and the distinctive architectural and landscape forms of the area subjects in her work.
Where was Georgia O'Keeffe before she went to New Mexico?
Georgia O'Keeffe was in New York.

Question: How long did she stay in New Mexico?
Self-contained rewrite: How long did Georgia O'Keeffe stay in New Mexico?