Use of power driven soil resistance recorder for study of compaction of soils by tractors
By: [by] I.F. Reed
Published: 1939
Place of publication: [Washington]
Language: eng
Number of pages: 12
Notes: Processed.

Issued by U.S. Dept. of Agriculture. Bureau of Agricultural Chemistry and Engineering.

To be presented before American Society of Agricultural Engineers, Dec. 5, 1939.

P. 7-8 omitted in numbering.

"Literature cited": p. 6.