Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Butts, Charles and Geological Survey (U.S.)","Bessemer-Vandiver folio, Alabama",,Engraved and printed by the U.S. Geological Survey,1927,Geologic atlas of the United States,,,,https://cir.nii.ac.jp/crid/1130282270262350464