Report of Samuel Keefer, civil engineer, to the president and directors of the Niagara Falls Suspension Bridge Company, and to the president and directors of the Clifton Suspension Bridge Company
Subtitle: Brockville, Ontario, March 1st, 1869.
Contributors: McAlpine, William J. 1812-1890.; Niagara Falls Suspension Bridge Company.; Clifton Suspension Bridge Company.
Series: CIHM/ICMH microfiche series -- no. 01493
Publisher: s.n.
Published: 1982
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 21
Subjects: Suspension bridges -- Design and construction.; Niagara Falls (N.Y. and Ont.) -- Bridges.
Other titles: Report on the Clifton Suspension Bridge at the Niagara Falls.
Notes: Cover title: Report on the Clifton Suspension Bridge at the Niagara Falls.

"Printed by order of the directors."

With: A letter, by W.J. McAlpine, consulting engineer, addressed to the same companies.

Filmed from a copy of the original publication held by the Metropolitan Toronto Library, Social Sciences Department. Ottawa : Canadian Institute for Historical Microreproductions, 1982.