Black and white photograph of a man working in front of a cave opening on a hillside.

Flooded mine at Silverton.

Mining for meteor at meteor crater.

Old mine near Clinton, Indiana.

Mule at mine near Clinton, Indiana.

Water discharge at Victoria Mine, an abandoned copper mine in the Upper Peninsula of Michigan.

Water discharge at Victoria Mine, an abandoned copper mine in the Upper Peninsula of Michigan.

Water discharge at Victoria Mine, an abandoned copper mine in the Upper Peninsula of Michigan.

Mining company buildings at Lees Ferry.