437 million years ago, the Midwestern suburb now known as Waukesha County, Wisconsin, was a tropical coastline. It was teeming with trilobites, early scorpions, and other prehistoric creatures.
It was the Silurian period, an era that may…
437 million years ago, the Midwestern suburb now known as Waukesha County, Wisconsin, was a tropical coastline. It was teeming with trilobites, early scorpions, and other prehistoric creatures.
It was the Silurian period, an era that may…