Preliminary Report on the Ketchikan Mining District, Alaska: With an Introductory Sketch of the Geology of Southeastern Alaska is an informative study of the geography and mining potential of Alaska in the late 19th and early 20th century. Alfred Hulse Brooks presents a detailed analysis of the geology and mineral resources of this remote and rugged region. 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.