This captivating catalog showcases the history of geology from 1500 to 1850, from an extensive collection in the Library of the University of Illinois at Urbana-Champaign. The featured works include original maps, sketches, and manuscripts from early geologists such as Galileo, Newton, and Hooke. This unique collection provides insight into the early development of earth science and the evolution of human understanding of the natural world. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.