Preserving the Past

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For more than 60 years, we have rescued and safeguarded tens of thousands of drawings from engineers and surveyors of generations past, whose work might otherwise have been lost. 

Our archives now stand as the largest single repository of engineering and surveying information in Bucks County and the surrounding region. To ensure these resources remain available for generations to come, individual records may be purchased to help offset the costs of acquisition, preservation, digitization, and organization.  

They cover the following firms:

• JG Park Associates
• Erwin Associates
• Chas Henry Moon
• William Major Associates
• Harry H. Lee
• Harris, Henry & Potter
• Unitech
• MidAtlantic States Engineering
• Boucher & James
• LVL Engineers
• George Rice (partial)