-
*Hironori HIRANAKA
Faculty of Education Niigata University
-
Toshiyuki Kurihara
Graduate School of Science and Technology, Niigata University
-
Takahiko OGAWARA
Graduate School of Science and Technology, Niigata University
-
Makoto OHKOUCHI
NPO GeoProject Niigata
-
(Niigata Univ.) "Geology Day" executive committee
"Geology Day" executive committee (Niigata Univ.)