著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Klassen, R. W. and Geological Survey of Canada","Bedrock topography, Riding Mountain, west of principal meridian, Manitoba-Saskatchewan",,Surveys and Mapping Branch,1966,Map,,,,https://cir.nii.ac.jp/crid/1130282272747433728