Japan. Tōhoku Nōseikyoku. Keikakubu
Aizu seibu chiku chōsa hōkokusho- Ichinohe chiku jinetsusui kaihatsu chōsa hōkokusho
- Nakayama chiku jinetsusui kaihatsu chōsa hōkokusho
- Ogachi chiku jinetsusui kaihatsu chōsa hōkokusho
- Shinjō Bonchi chiku chōsa keikaku no gaiyō
- Tanagura chiku jinetsusui kaihatsu chōsa hōkokusho
- Tōhoku no ikkyū suikei to tokutei tamokuteki damu