Complex sentence: Nellie N. Coffman and her physician husband Harry established The Desert Inn as a hotel and sanitarium in 1909; it was expanded as a modern hotel in 1927 and continued on until 1967.
Split into simpler sentences: Nellie N. Coffman and her physician husband Harry established The Desert Inn as a hotel and sanitarium in 1909. It was expanded as a modern hotel in 1927 and continued on until 1967.