Excerpt:
In the Robledo Mountains of southern New Mexico, an international team of scientists spent the past week toiling under the desert sun, searching for clues to help them better understand what life was like along a prehistoric shoreline.
Layer after layer, the mudstone at Prehistoric Trackways National Monument has offered up the tracks of reptiles and jumping insects and even the imprints of jellyfish. There are fossil logs and plants that predate the dinosaur age by tens of millions of years.