Symons, T. W. (1882). Report of an examination of the Upper Columbia River and the territority in its vicinity in September and October, 1881, to determine its navigability, and adaptability to steamboat transportation. Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Symons, Thomas W. Report of an Examination of the Upper Columbia River and the Territority in Its Vicinity in September and October, 1881, to Determine Its Navigability, and Adaptability to Steamboat Transportation. Washington: Gov. Print. Off, 1882.
MLA-Zitierstil (9. Ausg.)Symons, Thomas W. Report of an Examination of the Upper Columbia River and the Territority in Its Vicinity in September and October, 1881, to Determine Its Navigability, and Adaptability to Steamboat Transportation. Gov. Print. Off, 1882.