Agricultural soil maps status, July 1957 a revision of Bulletin 22 (1948).

Agricultural soil maps status, July 1957 a revision of Bulletin 22 (1948).

书目详细资料
企业作者: National Research Council (U.S.). Highway Research Board
格式: 图书
语言:English
出版: Washington, D.C. Highway Research Board 1957.
丛编:Highway Research Board Bulletin 22-R.
主题:
Soils > United States > Maps.
Soil-surveys > United States.