Plug and feather

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1	NEW HAMPSHIRE DIVISION OF HISTORICAL RESOURCES Add to Reading List Source URL: www.nh.gov Language: English - Date: 2013-03-10 05:00:00 Masonry Plug and feather
2	What is National Significance Add to Reading List Source URL: www.nh.gov Language: English - Date: 2013-03-10 05:00:00 Construction Architecture Masonry Plug and feather Technology
3	Flynt Quarry Monson, Massachusetts Add to Reading List Source URL: www.opacumlt.org Language: English - Date: 2010-09-28 19:02:45 Plug and feather Flynt Quarry Drill bit Quarry Drilling Wedge Drill Rock blasting Technology Tools Masonry