The letter was written by Darwin to thank an American geologist, Dr. Ferdinand Vandeveer Hayden, for sending him copies of his research into the geology of the region that would become Yellowstone National Park.
⇑ Translate the sentence above by Google ⇑
Related: geology
Prev: In the late 1700s, geology was in its infancy.
Next: Karst landscapes differ because of geology and climate.
