Blog of the Pennsylvania State Historic Preservation Office

Category: Environmental Review (Page 1 of 14)

PA SHPO is Hiring an Environmental Review Streamlining Coordinator!

Are you passionate about conserving resources in Pennsylvania for the benefit of future generations? The Historical & Museum Commission is searching for an Environmental Review, Streamlining Coordinator to assist the PA State Historic Preservation Office (PA SHPO) deliver an effective and efficient Environmental Review program. You will have the opportunity to proactively assist federal and state agencies in the identification of archaeological resources in advance of anticipated projects. Do not miss out on this unique and critical career opportunity!

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PA SHPO is Hiring an Environmental Review Above Ground Supervisor!

Are you a cultural resources professional with collaboration, outreach, and education skills?  Do you want to join a team of dedicated preservationists, historians, archaeologists, and planners working with people and organizations across the Commonwealth?  If you have the experience and training to be an Above Ground Supervisor to coordinate the office’s above ground environmental review program, we have the job for you!

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Apply Now! 2026 Keystone Internship Positions with PA SHPO

Are you exploring the field of historic preservation, public history or archaeology and looking for some real-world experience? The Pennsylvania Historical and Museum Commission’s Keystone Internship Program provides opportunities to pursue your professional growth and contribute to sharing Pennsylvania’s rich heritage with the public.

We’d like to invite college and graduate school students interested in historic preservation, archaeology, community planning, cultural resources, architectural history, public history, and other related fields to apply for their summer 2026 internship.

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Preventing Extinction: Saving the Last Wrought Iron Warren Pony Truss in PA

On large stained and moss-covered stone masonry abutments over a single line of tracks in Tredyffrin Township, Chester County rested a dinosaur, a wrought iron relic of the past originally constructed to support the industry of a developing nation. Its appearance was worn and weathered from over 140 years of service.

Random holes and a mixed bag of fastener types and sizes littered the visible faces. The original railroad floor system was long gone and replaced with a timber vehicular deck. Its live load carrying capacity was a mere fraction of what it once was. However, under all of this rust was a diamond, a rare and complete example of a wrought iron pin-connected warren pony truss with built-up corrugated diagonal tension members, the last of its kind.

This is the story of relocation and reuse, adaptive reuse, of the last known remaining pin-connected wrought iron Warren pony truss in Pennsylvania – The Howellville Truss (2004RE01890).

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