View of steam shovel pits, showing lower shovel loading ore into 50-ton railway car. Note development drfits exposed in face of cut. The toal height of face shown is about 300 feet, over 200 feet of which is ore- the upper 70 feet being oxidized capping
MLA
View of Steam Shovel Pits, Showing Lower Shovel Loading Ore into 50-Ton Railway Car. Note Development Drfits Exposed in Face of Cut. The Toal Height of Face Shown Is about 300 Feet, over 200 Feet of Which Is Ore- the Upper 70 Feet Being Oxidized Capping. 1907. https://collections.library.yale.edu/catalog/2001048.
APA, 6th edition
View of steam shovel pits, showing lower shovel loading ore into 50-ton railway car. Note development drfits exposed in face of cut. The toal height of face shown is about 300 feet, over 200 feet of which is ore- the upper 70 feet being oxidized capping. (1907). [Illustrations, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2001048.
