Engineering use of agricultural soil maps the use of agricultural soil maps and the status of agricultural soil mapping in the United States.
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| प्रकाशित: |
Washington, D.C.
Highway Research Board, Division of Engineering and Industrial Research, National Research Council
1949.
|
| श्रृंखला: | Highway Research Board
Bulletin 22. |
| विषय: | |
| ऑनलाइन पहुंच: | HathiTrust Digital Library. Freely available. |