The following documents pertain to the January 3, 1961 accident at the Stationary Low Power Reactor No. 1 (SL-1).
IDO - 19300a -  "SL-1 Reactor Accident on January 3, 1961, Interim Report," May 1961
IDO - 19300b
IDO - 19301 - "SL-1 Recovery Operations," January 3 - May 20, 1961
IDO - 19302  - "IDO Report on the Nuclear Incident at the SL-1 Reactor on January 3, 1961 at the National Reactor   Testing Station," January 1962
IDO - 19310  - "The Role of Meteorology Following the Nuclear Accident in Southeast Idaho," May 1962
IDO - 19311a - "Final Report of SL-1 Recovery Operation," July 1962
IDO - 19311b
IDO - 19313 - "Additional Analysis of the SL-1 Excursion, Final Report of Progress July through October 1962,"  November 1962