Unloading field machinery from barge.

Chicago citation style
Unloading field machinery from barge.. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf800009w9. (Accessed December 19, 2018.)
APA citation style
Unloading field machinery from barge.. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf800009w9
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/tf800009w9>.
Note: These citations are programmatically generated and may be incomplete.