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OSTIblog Articles in the Leslie Groves Topic

DOE Releases Manhattan District History and Oppenheimer Personnel Hearing Transcript via OSTI-Hosted OpenNet

by Rita Hohenbrink 09 Oct, 2014 in


The Department of Energy (DOE) recently completed two significant declassification efforts and has made the newly released documents publicly available on the OpenNet database, which DOE launched 20 years ago to improve public access to declassified documents.  The website is supported by the DOE Office of Classification and hosted by the Office of Scientific and Technical Information (OSTI) on a cost-reimbursable basis.

Over a 12-month period concluding in July 2014, DOE released to the public the Manhattan District History, a multi-volume classified history of the Manhattan Project.  Commissioned in late 1944 by General Leslie Groves, the history was “intended to describe, in simple terms, easily understood by the average reader, just what the Manhattan District did, and how, when, and where.”  The history records the Manhattan Project’s activities and achievements in research, design, construction, operation, and administration, assembling a vast amount of information in a systematic, readily available form.

Through the combined efforts of the Office of Classification and the Office of History and Heritage Resources, in collaboration with OSTI, the full text of the entire 36-volume Manhattan District History, organized in 79 files and containing more than 13,500 pages, is now available to the public on OpenNet.  Unclassified and declassified volumes have been scanned and posted.  Classified volumes were declassified in full or with redactions; still classified terms, phrases, sentences, and paragraphs were removed and the remaining parts made available...

Related Topics: atom bomb, declassified, hearing, Leslie Groves, Manhattan Project, OpenNet, Oppenheimer, security

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OpenNet spotlights The Manhattan Project

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OpenNet spotlights The Manhattan Project

Sixty-eight years ago, an atomic bomb was detonated on an isolated corner of southern New Mexico in a weapon test named Trinity.

This month,  The Manhattan Project: Resources, a web-based, joint collaboration between the Department’s Office of Classification and Office of History and Heritage Resources has been launched. The site is designed to disseminate information and documentation on the Manhattan Project to a broad audience including scholars, students, and the general public. OSTI is hosting this information as part of the OpenNet web site. Manhattan Project Resources consists of two parts: 1) a multi-page, easy to read and navigate Manhattan Project: An Interactive History providing a comprehensive overview of the Manhattan Project, and 2) the full-text, declassified, multi-volume Manhattan District History commissioned by General Leslie Groves in late 1944. The new site brings together an enormous amount of material, much of it never before released.

Related Topics: atomic bomb, Calutron (Y-12) Operators, Leslie Groves, Manhattan Project, OpenNet, OpenNet

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