Science: Technology: Civil Engineering: History: People: Ketchum, Henry George Clopper:

Open Directory - Science: Technology: Civil Engineering: History: People: Ketchum, Henry George Clopper

Engineering Counterparts - Brief biographies and portraits of engineers associated with Ketchum.
Henry George Clopper Ketchum - Biography by Edward Chapman Bowes from the Canadian Biography Online.
Henry George Clopper Ketchum - Virtual exhibit from the University of New Brunswick. Features biography, manuscripts and printed materials, photographs, technical and architectural drawings, and maps.

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Last update: Tuesday, January 2, 2007 6:00:31 PM EST - edit