Workers at marble quarry operating mining machinery and tools. Machinery has wheels and is on metal tracks. Pipelines extend out from the side of the machines. Items such as shovels, ropes, and barrels, are visible. There are seven workers dressed in hats, long sleeved shirts, or jackets, and boots.
![Wyoming mines exhibit [00601] (recto)](/thumbnails/c/6/oregondigital-ws859m66c.jpg "Wyoming mines exhibit [00601] (recto)")
![Colorado mines exhibit [00602] (recto)](/thumbnails/n/7/oregondigital-ws859m67n.jpg "Colorado mines exhibit [00602] (recto)")
