Mouth of the Columbia River, Oregon and Washington /
Corps of Engineers, U.S. Army, Portland, Oregon, District.
APA Citation
United States. Army. Corps of Engineers. Portland District. (1938). Mouth of the Columbia River, Oregon and Washington. Portland, Or.: the District.
MLA Citation
United States. Army. Corps of Engineers. Portland District. Mouth of the Columbia River, Oregon And Washington. Portland, Or.: the District, 1938.
Warning: These citations may not always be complete (especially for serials).