Dear Mr. Cohen,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located three series titled Publications, ca. 1967 - 2016 that includes 80 items relating to air cushions vehicles; Technical Reports, 1970 - 1984 that includes some files relating to air cushion vehicles; and Subject Files, 1967 - 1970 that includes some files related to contracts. All three series are part of the Records of the Federal Railroad Administration (Record Group 399). For access to these records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at Archives2reference@nara.gov.
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We hope this is helpful. Best of luck with your research!
Thank you very much for your quick and helpful reply to my question. What I found most helpful is being able to see the "Scope and Content" and "Container List" for two of the Series--"Technical Reports" and "Subject Files," since those tell me fairly clearly what I can expect to find if/when I am at NARA doing research and pulling records.
Is there a way for me to find more of a breakdown of RG399 at this level of detail? Are there many other "Series" within RG399? If so, how do I locate those? (I tried the Record Group Explorer, but didn't find this level of detail; maybe I didn't use the filters correctly?) Thanks again.
Dear Mr. Cohen,
Thank you for posting your follow-up request on History Hub!
When using the Record Group Explorer, click on the box with the name of the Record Group. That will bring up a page such as Record Group 399 - Records of the Federal Railroad Administration. Then click on the blue “Explore” under the “Our work isn't finished yet. We have more digitizing to do.” This brings up a list of all 83 record series in the record group. In order to bring up a complete record series description, you need to select a specific series title, such a Compliance Orders and Agreements, 2018 - 2019. Some record series such as this one also have file units attached to the series description. Under the “Details” heading in the “Includes” field it says 10 file unit(s) described in the catalog. Clicking on that brings us a list of 10 file units. Sometimes these will just be file unit titles. In this example, there are pdfs attached to the file unit, allowing you to view the digital records directly using the Catalog. Please note that the overwhelming majority of NARA records are not digitized yet and viewable using the Catalog.
Another thing you can use is use the “Search within” feature. Starting with Compliance Orders and Agreements, 2018 - 2019, look to the left and you see a link to Records of the Federal Railroad Administration, 1910 - 1994. Scroll down to the blue “Search within this record group” button. Click on that, look up to the search field, and remove the *:* from the search bar. Fill in your search terms, and all results will be from the Record Group that you are searching within. Similarly, with a series description such as Compliance Orders and Agreements, 2018 - 2019 that has attached file unit descriptions, please click on the blue Search Within this Series button to search the file units.
An additional option is the Advanced Search feature for the National Archives Catalog. Please see National Archives Catalog Search Tips for information about using these. You may also be interested in the instructional videos How to Use the New National Archives Catalog (broadcast 2015 July 1) and Updates to the National Archives Catalog (2016 March 16).
If at any time you have difficulty using the Catalog, or it is not working correctly, please email Catalog@nara.gov for assistance.
Finally, you may wish to use the Guide to Federal Records which provides outlines of record groups such as Records of the Federal Railroad Administration. However, please note that this resource has not been updated in quite some time, so it may not list records that have been accessioned in the past couple of decades, the titles are not always current, and that the numbers such as 399.3.3 are only part of the outline numbering system used for indexing when the Guide was printed originally.
We hope this information is helpful.