I'm starting this thread after looking at some great photos of architecture and bridges and parks on other threads on LFPF and many of them are of historic sites. And many will get thrown out when we die. (Sorry about the harsh reality but few of us will become our own trademarked legacy industry like Ansel Adams TM).

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How cool would it be to tell your peers that your work is in the Library of Congress?

It's very cool. And so is the chance to plant your tripod feet in the divots of Julius Shulman, Marvin Rand, Ezra Stoller, and even Ansel Adams to document buildings that they photographed when new and which are now historic landmarks.

Just follow the strict archival photography guidelines and learn a little about the history of the subject you are photographing and donate a set of negatives and contact prints to the Historic American Buildings Survey, Historic American Engineering Record, or Historic American Landscapes Survey. ( HABS/HAER/HALS ).

The negatives will be kept in a high tech curated facility in cold storage at Fort Meade in Maryland for their 500+ year life expectancy, and the contact prints will be available for the public to see in the Prints & Photographs Division of the Library of Congress in the Madison Building in Washington DC, along side the FSA images of Ansel Adams TM, Walker Evans and Dorothea Lange.

More information about the guidelines can be found by searching:
HABS/HAER/HALS Photography Guidelines
2019 link: https://www.nps.gov/hdp/standards/PhotoGuidelines.pdf

There are a bunch of experienced HHH photographers on this forum and I've now done over 100 documentations to HHH standards so ask me anything.

From the Heritage Documentations Programs Site: Heritage Documentation Programs (HDP), part of the National Park Service, administers HABS (Historic American Buildings Survey), the Federal Government’s oldest preservation program, and companion programs HAER (Historic American Engineering Record), and HALS (Historic American Landscapes Survey). Documentation produced through the programs constitutes one of the nation’s largest archives of historic architectural, engineering, and landscape documentation. Records on over 40,000 historic sites, consisting of large-format, black and white photographs, measured drawings, and written historical reports, are maintained in a special collection at the Library of Congress, available to the public copyright free in both hard copy (at the Library of Congress Prints and Photographs Reading Room) and electronic formats (via the Library of Congress' website: http://www.loc.gov/pictures/collection/hh/).