1937: "Roadway to U.S. Engr. Office. 1937 Flood"

Chicago citation style
1937: "Roadway to U.S. Engr. Office. 1937 Flood". 1937. Retrieved from the Digital Public Library of America, http://cdm16108.contentdm.oclc.org/cdm/ref/collection/p16108coll1/id/1304. (Accessed November 21, 2019.)
APA citation style
(1937) 1937: "Roadway to U.S. Engr. Office. 1937 Flood". Retrieved from the Digital Public Library of America, http://cdm16108.contentdm.oclc.org/cdm/ref/collection/p16108coll1/id/1304
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16108.contentdm.oclc.org/cdm/ref/collection/p16108coll1/id/1304>.
Note: These citations are programmatically generated and may be incomplete.