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

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

Opis bibliograficzny
Korporacja: National Research Council (U.S.). Highway Research Board
Format: Książka
Język:English
Wydane: Washington, D.C. Highway Research Board 1957.
Seria:Highway Research Board Bulletin 22-R.
Hasła przedmiotowe:
Soils > United States > Maps.
Soil-surveys > United States.