Oyama-shi Kyōiku Iinkai

• Kankyō seibi jigyō ni tomonau Marishitenzuka kofun hakkutsu chōsa gaihō
• Kizawa Kaidō kan iseki hakkutsu chōsa hōkokusho
• Marishitenzuka kofun
• Miyauchi Higashi iseki
• Miyauchi Higashi iseki hakkutsu chōsa hōkokusho
• Miyauchi kita iseki
• Nakakuki jōseki
• Oyama jōshi hakkutsu chōsa hōkokusho
• Oyama-shi shiroato hanʼi kakunin chōsa hōkokusho
• Raiden Jinja kofun hakkutsu chōsa hōkokusho
• Washijō ato