Historic American Engineering
Record (HAER)
The Historic American Buildings Survey/Historic American
Engineering Record/Historic American Landscapes Survey (HABS/HAER/HALS) is a vital part of the National
Park Service’s historic preservation effort. Now know as Heritage Documentation Programs, the program
documents important architectural, engineering, industrial, and landscape
sites throughout the United States. A complete set of documentation, consisting of measured drawings, large-format
photographs, and written history, plays a key role in accomplishing
the mission of creating an archive of American architecture
and engineering and in better understanding what historic
resources tell us about America’s diverse ethnic and
cultural heritage. To insure that such evidence is not lost
to future generations, the HABS/HAER/HALS Collections are archived
at the Library of Congress, where they are made available
to the public.
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Throughout the history of the program, it has
played a leading role in ‘preservation through documentation”
and is recognized as the nation’s oldest federal preservation
program. Today’s work builds on a seventy-five year tradition
of documentation expertise, and incorporates technological
advances, such as computer-aided drafting (CAD), digital-rectified
photogrammetry, laser scanning, and electronic surveying. And although as
division the National Park Service the program receives
its legislative authority and base funding from the U.S.
Congress, Heritage Documentation Programs depends on outside funding to complete its mission.
For more information contact:
Heritage Documentation Programs
National Park Service
1201 Eye Street, NW (2270)
Washington, D.C. 20005
(202) 354-2135
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