"Prompt Value of Environmental Gamma Rays in Matsue" May 23, 2008 - May 18, 2012 (Western Japan) 松江田和山定点環境ガンマ線速報値　（May 26, 2008 - May 18, 2012） [Prompt Value of Environmental Gamma Rays in Matsue (Tawayama)] 松江上乃木定点環境ガンマ線速報値　（May 23, 2008 - May 18, 2012） [Prompt Value of Environmental Gamma Rays in Matsue (Agenogi)]