The Prayer That Had Nowhere to Go But Up

In 1993, cave diver Jill Heinerth was mapping an underwater passage inside a limestone cavern in northern Florida when her guideline snagged and her primary light failed. She was 400 feet from the entrance, suspended in water so dark it felt solid. Her backup light cast a dim yellow cone that reached maybe three feet. She could not see the ceiling, the floor, or the walls.…