NATIONAL MILITARY ESTABESAN RENE: : ARMED FORCES SPECIAL WEAPONS PROJECT P. ©. BOX 2616 ADORESS REPLY TO: THE CHIEF, ARMED FORCES SPECIAL WEAPONS PROJECT ; ‘ WASHINGTON, D. C. AC Qees'7 SWPRD/5/380.01.1 . 7 February 1950 Mr. Charles L. Marshall Division of Public and Technical Information U. S. Atomic Energy Commission 1901 Constitution Avenue Washington 25, De C. Dear Mr. Marshall: Reference is made to telephone conversation of this date between Mr. Nash of your office and Major John Gulley, AFSWP, concerning dissemination of‘the following SANDSTONE reports: ee ete ee SANDSTONE NUMBER OE ae ee ee TITIZ 20 Blast Measurement Summary Report 31 Radiclogical Safety Instruments Both reports have been reviewed by this headquarters and in our opinion may be considered Type "B" Restricted Data. It is not suggested that any change be made in the principal classification. Copies of each report are in the eustody of the Division of Military Application. It is requested that your office review the reports and advise us whether you concur in our proposal to dis- ; seminate the reports, within the Department of Defense, as Type "B* Restricted Data, Declassified by DNA, Chief, ISTS Sincerely yours, Bate Kise 2 ecz Dre Ne Ee Bradbury Captain James J. Russell 44. . rs " we yn aDe f ae ENERGY OECLASSIFIGATE #- SETERMINATION %& Ie woman Bers i. CLASSIFICATIONI@EWRANED 2nD PEVIEWER-DATE: age AUTHORITY: ADB NAME: Fr CASSIFICATION RANGED T FN) s CONTAINS NO b = 1.sebii= ~ QUR, Bdteeso71 Hc A) Kia. _ . OR ERE) ASSIFICATION CAND ga “ASSIFIED “NEO BRAC . : a“ — oY aq 4 C+? Infuicodion @ PUBUCATIONS 7 aft, ao PLEOIDLREYNE I