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

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

Bibliografiske detaljer
Institution som forfatter: National Research Council (U.S.). Highway Research Board
Format: Bog
Sprog:English
Udgivet: Washington, D.C. Highway Research Board 1957.
Serier:Highway Research Board Bulletin 22-R.
Fag:
Soils > United States > Maps.
Soil-surveys > United States.