Excavation and rock trimming for lock and gate sill, Bonneville Dam construction, ca. 1937-1938

Chicago citation style
Excavation and rock trimming for lock and gate sill, Bonneville Dam construction, ca. 1937-1938. ca. 1934. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/764. (Accessed July 21, 2018.)
APA citation style
(ca. 1934) Excavation and rock trimming for lock and gate sill, Bonneville Dam construction, ca. 1937-1938. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/764
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/764>.
Note: These citations are programmatically generated and may be incomplete.