01740oam 2200469 450 991070864370332120170519140704.0(CKB)5470000002470790(OCoLC)891401307(OCoLC)567990217(OCoLC)995470000002470790(EXLCZ)99547000000247079020140926d1902 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierPreliminary report on the Ketchikan mining district, Alaska, with an introductory sketch of the geology of southeastern Alaska /by Alfred Hulse BrooksWashington :Department of the Interior, United States Geological Survey,1902.1 online resource (120 pages) illustrations, 2 mapsProfessional paper ;1Series A--Economic geology ;16Series B--Descriptive geology ;20Title from title screen (viewed September 17, 2014).Includes bibliographical references and index.Sketch of the geology of southeastern AlaskaGeologyAlaskaMines and mineral resourcesAlaskaGeologyMines and mineral resourcesBrooks Alfred H(Alfred Hulse),1871-1924,313759Geological Survey (U.S.),COPCOPOCLCOOCLCETRAALGPOBOOK9910708643703321Preliminary report on the Ketchikan mining district, Alaska, with an introductory sketch of the geology of southeastern Alaska3530308UNINA