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

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

Detalhes bibliográficos
Autor Corporativo: National Research Council (U.S.). Highway Research Board
Formato: Livro
Idioma:English
Publicado em: Washington, D.C. Highway Research Board 1957.
Colecção:Highway Research Board Bulletin 22-R.
Assuntos:
Soils > United States > Maps.
Soil-surveys > United States.