The graphic story depicts the effects of ground water irrigation on gravestones in western U.S. cemeteries.
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Knowledge Park Resource
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The graphic story explains why modern mortar should not be applied to historic brick walls.
Knowledge Park Resource
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The National Park Service has many training centers as well as connections with partner training centers. Learn more about each one in this resource.
Knowledge Park Resource
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The PAST program is a one-year, hands-on training program designed to teach WG 5-9 maintenance employees historic preservation skills.
Knowledge Park Resource
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The graphic story explains how rust can be converted into a stable surface that can then be painted.
Knowledge Park Resource
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If you're entering areas like crawlspaces and manholes, the OSHA's Confined Space in Construction standard may apply to you.
Knowledge Park Resource
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The National Park Service (NPS) manages a variety of facilities that enable visitors to experience national parks in a safe and accessible environment.
Knowledge Park Resource
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There is a great deal of confusion about poison ivy versus poison oak since there are two kinds of poison ivy and two kinds of poison oak. Learn more here!
Knowledge Park Resource
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This graphic story explains why original wood windows can outlast modern windows.
Knowledge Park Resource
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The Welding Institute has a great reference on wrought iron and welding. Read more on the challenges with welding with wrought iron.
Knowledge Park Resource
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Provides an overview of the Historic Preservation Training Center and introduces the five teams that work within the organization.
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