This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Monographs of the United States Geological Survey BHL. Monographs of the United States Geological Survey Foldout biodiversitylibrary org Geological Survey Biodiversity Heritage Library PDold Monographs of the United States Geological Survey Images uploaded by Files from the Biodiversity Heritage Library