When you were building the I-10 bypass,
one of your dozers, moving earth
at the center of a great pit,
slipped its thick blade beneath
the water table, slicing into the earth's
wet palm, and the silt moistened
beneath the huge thing's tires, and the crew
was sent home for the day.
In a surprisingly under-reported story from 2007, Mark Holley, a professor of underwater archaeology at Northwestern Michigan University College, discovered a series of stones – some of them arranged in a circle and one of which seemed to show carvings of a mastodon – 40-feet beneath the surface...