351 



USSR MINISTRY OF GEOLOGY 



YAKUT PRODUCnON GEOLOGICAL ASSOCIATION 



"RADON" RADIATION ECOLOGY CO-OPERATIVE 



REPORT 



ON THE RESULTS OF STUDYING THE EFFECT OF UNDERGROUND 



NUCLEAR EXPLOSIONS ON THE RADL\TION SITUATION 



IN THE MIRNY RAYON OF THE YAKUT-SAKHA SSR 



Radon Co-operative 



Chairman A.S. Tsyganov 



City of Yakutsk 

 1990 



-1- 



