甘肃省宁县土壤志
By: Ning Xian tu rang pu cha ban gong shi bian yin
Publisher: Ning Xian tu rang pu cha ban gong shi
Published: 1959
Place of publication: Ning Xian
Language: chi
Number of pages: 11
Subjects: Soils; History
Other titles: Gansu Sheng Ning Xian tu rang zhi
Notes: Cover title.