Home >> Science >> Technology >> Structural Engineering >> Bridge >> History >> Historic Bridges >> Covered Spanning Time: Vermont's Covered Bridges Joseph Nelson promotes his book of that title with sample text and illustrations. Old Covered Bridges of Pennsylvania Photographs and information from Dr Roger McCain, Professor of Economics. National Society for the Preservation of Covered Bridges This American non-profit society publishes the World Guide to Covered Bridges, a quarterly magazine and a newsletter, excerpts from which are online. Hosted by Joseph Nelson. Columbia County Covered Bridges Official guide to 23 covered bridges in or spanning the border of this county of Pennsylvania: images and brief histories of each. Covered Bridges Enthusiast Rick Alcorn explains the evolution of the wooden truss with diagrams. He provides photographs and brief details of bridges in parts of Pennsylvania and Ohio. New York State Covered Bridge Society Dedicated to promoting and preserving New York's historic covered bridges. Map of bridge locations, with list linked to photographs and details. Bridges to the Past: Alabama's Covered Bridges TV program. Photographs and details of the bridges featured. Videos available. Hosted by the University of Alabama Center for Public Television and Radio. Covered Bridges of Swanzey, New Hampshire Fund-raising site to restore the Slate Covered Bridge, burned by an arsonist in 1993. History, photographs, progress reports. Hosted by Cheshire County USA. Covered Bridges of West Virginia Ryan Post's easily-navigated presentation of the subject. Photographs and information on 17 remaining bridges. Descriptions with diagrams of the different truss systems. Bibliography. Vermont Covered Bridges An extensive collection of Vermont covered bridge photographs and descriptions from Virtual Vermont.
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