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.
Contributions to geology BHL. Contributions to geology by Isaac Lea Text Illustration biodiversitylibrary org title Lea Isaac NOTINCOPYRIGHT Biodiversity Heritage Library PDold Contributions to geology Images uploaded by Files from the Biodiversity Heritage Library
Page 2023 Free-images.com. All images are Public Domain