Reports of preliminary examination and survey of Columbia and lower Willamette Rivers, below Portland, Oreg.

APA Citation

United States. Army. Corps of Engineers. (1911). Reports of preliminary examination and survey of Columbia and lower Willamette Rivers, below Portland, Oreg. Washington, D.C.: U.S. Govt. Print. Office.

MLA Citation

United States. Army. Corps of Engineers. Reports of Preliminary Examination And Survey of Columbia And Lower Willamette Rivers, Below Portland, Oreg. Washington, D.C.: U.S. Govt. Print. Office, 1911.