Kaito dai niji chōsa hōkokusho.
Series: Nagano-ken kōkogakkai kenkyū hōkokusho, 4
Published: 1968
Place of publication: Nagano
Language: jpn
Number of pages: 117
Subjects: Earthworks (Archaeology) -- Japan -- Okaya (City); Earthworks (Archaeology) -- Japan -- Nakano (City); Japan -- Antiquities.