It's possible that:
* You're thinking of a different title. Could you double-check the title or provide more details about the film?
* It's a less known production. It might be a smaller film or a TV movie with limited information available.
* It's a fictional story. Are you perhaps thinking of a book or a story that was set in Santa Fe in 1973?
Please provide more details so I can help you find the information you're looking for!