1986’s The Falling Woman is a standalone Nebula-Award-winning fantasy by Pat Murphy.
Elizabeth Waters has escaped unwanted motherhood and a stultifying marriage at great cost to herself. Her reward: a career as a field archaeologist. Elizabeth is a valuable colleague at any dig because she seems to have a sixth sense for promising sites.
This is because she has a literal sixth sense. She sees the shades of the dead. The ghosts of the past guide her.