Public domain photos

The image shows a collage of six black and white photos of a coal mine, with buildings, trees, poles, towers, and other objects in the foreground, and a sky in the background. At the bottom of the image, there is text.

The image shows a collage of six black and white photos of a coal mine, with buildings, trees, poles, towers, and other objects in the foreground, and a sky in the background. At the bottom of the image, there is text.Open in library