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Official Website

of the Commonwealth of Pennsylvania

    The .gov means its official.

    Local, state, and federal government websites often end in .gov. Commonwealth of Pennsylvania government websites and email systems use "pennsylvania.gov" or "pa.gov" at the end of the address. Before sharing sensitive or personal information, make sure you're on an official state website. 

    Technical Publications

    Welcome to our technical publications page. Here you'll find a variety of articles and reports for both professional researchers and interested public that document our efforts to preserve and learn from the past. Simply scan the sections below to go to either our technical reports or popular summary documents, review the abstracts, and download whatever catches your interest.