American Bridge -- Structures, Movable Bridges, Feature Project ...
Structures Across the Cuyahoga River, in Bridges of Metropolitan ...
Plate 35 - At Clinton, Iowa, drawspan of C. & NW RR Bridge, 1885
Hardesty & Hanover - History Timeline
Traylor Bros, Inc. Bridges Work History
Pittsburgh Bridges at the Point, HAER - Point Bridge 1877
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