Hokkaidō yūrin ni okeru ringyō gijutsu hattenshi
Subtitle: [Dōyūrin sōsetsu 80-shūnen kinenshi]
By: Hakkaidō Rinmubu hen.
Contributors: Hokkaido (Japan). Rinmubu.
Publisher: Hokkaidō Zōrin Shinkōkai
Published: 1987
Place of publication: Sapporo-shi
Language: jpn
Number of pages: 398
Subjects: Forests and forestry -- Japan -- Hokkaido.; Afforestation -- Japan -- Hokkaido.