It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
Fuchs Edmond Philippe Jacques photo Lopez BNF Gallica. Edmond Fuchs gologue et ingnieur franais en Edmond Fuchs french geologist and engineer for upload ARKBNF Lopez Upload stitch and restoration by Jebulon bnf fr item Crop size Cleaning of spots dust dirt tears and scratches due to age Correction of levels saturation
Page 2017 Free-images.com. All images are Public Domain