North America - Dawn on the Delta- 74mya (1993) (Map) Black Coffee Mug

"North America - Dawn on the Delta- 74mya (1993) is a geological map depicting the North American continent during the early Eocene period, approximately 74 million years ago. This map was published in 1993 and provides detailed illustrations of the geographical features that existed at this time, including river deltas, mountain ranges, and coastal lines. It serves as a valuable resource for researchers studying the historical geology and climate changes during the early Eocene epoch."