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

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

Bibliografiska uppgifter
Institutionell upphovsman: National Research Council (U.S.). Highway Research Board
Materialtyp: Bok
Språk:English
Publicerad: Washington, D.C. Highway Research Board 1957.
Serie:Highway Research Board Bulletin 22-R.
Ämnen:
Soils > United States > Maps.
Soil-surveys > United States.