Reports of preliminary examination and survey of Columbia and lower Willamette Rivers, below Portland, Oreg.
Series: Document / House of Representatives, 61st Congress, 3d session ;; no. 1278
Publisher: U.S. Govt. Printing Office
Published: 1911
Place of publication: Washington, D.C
Language: eng
Number of pages: 27
Subjects: Columbia River -- Surveys; Willamette River (Or.) -- Surveys
Other titles: Columbia and Willamette Rivers, Portland, Ore.
Notes: Spine title: Columbia and Willamette Rivers, Portland, Ore.