NH Historic Sites

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NH Historic Sites

NH Historic Sites
Below is a list of NH Historic Sites. Find detailed information on the Historic Site entries by clicking on their links.

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You can use WeGoPlaces.com to plan your NH vacation itinerary! To begin, select from our list of NH tourist attractions, activities, accommodations, events, restaurants or NH vacation & visitor information entries. Click the "Add" button to add individual entries to your online NH vacation itinerary.

Explore All Of New Hampshire's Regions
You can find New Hampshire tourist attractions and activities in all of New Hampshire's regions: Colebrook, Concord, Dover, Franconia, Hampton, Hanover, Laconia, Lincoln-Woodstock, Littleton, Manchester, Nashua, North Conway, Peterborough-Keene, Pittsburg, Plymouth, Portsmouth, Salem and Other.

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Please visit our New Hampshire featured listings - Nutcracker at Capitol Center for the Arts

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Hillsborough's Historic Stone Arch Bridges
National Historic Structures & Civil Engineering Landmarks

Category: Hillsboro Historic Site in New Hampshire

Description of this New Hampshire Attraction: Stone arch bridges were a solution to the weakness of timber bridges & were suited for withstanding flooding the steeply sloping NH rivers. At the time, lime mortar didn't have sufficient strength to withstand the arch stresses & didn't set in water. By a more careful cutting & fitting of stones, it was possible to make stronger stonework than could be made with lime mortar of the period; hence the development of the technique known as "dry masonry". Stone arch bridges are believed to have been the work of Scotch-Irish stonemasons who emigrated to Hillsborough, NH in the 19th century. Five of these bridges still exist in the Hillsborough area.

NH Historic Sites

NH Historic Sites

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