This catalogue, prepared for the 1893 World's Columbian Exposition in Chicago, showcases the stratigraphical collection of Canadian rocks owned by the Geological Survey of Canada. The collection includes both sedimentary and igneous rocks from across Canada, with detailed descriptions and geological information included for each specimen. 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.