This report by Heinrich Ries provides a detailed analysis of the various types of clay found in the state of Alabama. Ries describes the quality and characteristics of each type of clay, as well as its potential applications in industry. He also offers recommendations for further study and development of Alabama's clay deposits. This report is an important contribution to the field of geology and to the understanding of the natural resources of the southeastern United States. 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.