A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL. The file type is application/pdf.
application/pdf
今井 半次郎. "石狩炭田に於ける夾炭第三紀層 (石狩統) の層位地質學的研究." Journal of Geography (Chigaku Zasshi) 36.7 (1924) 419-427