This collection contains tar files of particular directories on an internal hard drive which was installed in Paul Levanthal's computer from c. 1994-2000 and visualizations and textual representations of the entire hard drive. Each of the tar files represents a directory or folder with multiple files within it and must be unzipped or extracted in order for individual files to be viewed. These tar files contain correspondence, administrative materials, and other materials created in the course of activity at the Nuclear Control Institute. Dates for each of the tar files are inclusive last modified dates, so if there is only one date it means that all the files in that tar were last modified on the same date. These tar files are best viewed using the free program 7zip (http://www.7-zip.org/download.html).
The visualizations and textual representations include a spreadsheet of the file extensions on the drive as a whole, a pie chart of the free and occupied space on the drive, a tree map showing the size of the files on the hard drive, a CSV file showing information for all the files on the drive, and an XML file (in a zipped folder with an XSL file which will allow you to view the file) with a representation the directory structure of the whole drive down to the folder level.