Engineering use of agricultural soil maps the use of agricultural soil maps and the status of agricultural soil mapping in the United States.

Podrobná bibliografie
Korporativní autor: National Research Council (U.S.). Highway Research Board
Médium: Kniha
Vydáno: Washington, D.C. Highway Research Board, Division of Engineering and Industrial Research, National Research Council 1949.
Edice:Highway Research Board Bulletin 22.
Témata:
On-line přístup:HathiTrust Digital Library. Freely available.