This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Higashiyama Oil field in the Meiji era. Higashiyama Oil field in the Meiji era Japanese book Showa History of Niigata prefecture published by Mainichi Newspapers Company Meiji era Author Notes This file was scanned and edited by the uploader Abasaa PDJapanoldphoto History of Nagaoka Niigata Oil fields of Japan