Building an ore hoist over a shaft for copper ore. The shed to house the hoisting gear
MLA
Building an Ore Hoist over a Shaft for Copper Ore. The Shed to House the Hoisting Gear. 1908. https://collections.library.yale.edu/catalog/2011237.
APA, 6th edition
Building an ore hoist over a shaft for copper ore. The shed to house the hoisting gear. (1908). [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2011237.