Shari-chō Kyōiku Iinkai

• Okushibetsugawa iseki
• Onnebetsu-gawa Nishigawa Daichi iseki hakkutsu chōsa hōkokusho
• Oshokomanai kakō higashi iseki, Otamoi 1 iseki hakkutsu chōsa hōkokusho
• Piragaoka iseki
• Piragaoka iseki--Akiyama dai 2 chiten--hakkutsu chōsa hōkokusho
• Tanita iseki hakkutsu chōsa hōkokusho