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.
Besshi copper mine. Besshi copper mine Japanese book Showa History of Ehime prefecture published by Mainichi Newspapers Company Prewar Showa era author Notes This file was scanned and edited by the uploader Abasaa PDJapanoldphoto History of Ehime prefecture
Page 2023 Free-images.com. All images are Public Domain