Proceedings of the National Rivers and Harbors Congress: Eighth Annual Convention, Washington, D. C., Dec; 6, 7 and 8, 1911 (Classic Reprint) Thompson, S. A. Heftet / 2019 / Engelsk
Proposed Ship Canal Connecting the Great Lakes and the Atlantic Ocean: Statement of Mr. S. A. Thompson, of Duluth, Minn., Friday, April 1, 1898 (Classic Reprint) Thompson, S. A. Innbundet / 2018 / Engelsk
Proceedings of the National Rivers and Harbors Congress: Ninth Annual Convention, Washington, D. C., December 4, 5 and 6, 1912 (Classic Reprint) Thompson, S. A. Heftet / 2022 / Engelsk
Proceedings of the National Rivers and Harbors Congress: Ninth Annual Convention, Washington, D. C., December 4, 5 and 6, 1912 (Classic Reprint) Thompson, S. A. Innbundet / 2018 / Engelsk
Proceedings of the National Rivers and Harbors Congress: Eighth Annual Convention, Washington, D. C., Dec; 6, 7 and 8, 1911 (Classic Reprint) Thompson, S. A. Innbundet / 2019 / Engelsk
Proposed Ship Canal Connecting the Great Lakes and the Atlantic Ocean: Statement of Mr. S. A. Thompson, of Duluth, Minn., Friday, April 1, 1898 (Classic Reprint) Thompson, S. A. Heftet / 2022 / Engelsk