Soils of the Eastern United States and Their Use-- Jay Allan Bonsteel Published: 1912 Total Pages: 14 Get eBook
Circular United States. Department of Agriculture. Division of Publications Published: 1908 Total Pages: 808 Get eBook
List of the publications on soils issued by the U. S. Department of Emma Beatrice Hawks Published: 1927 Total Pages: 74 Get eBook
Index of Publications of the Bureau of Chemistry and Soils: List of titles and authors. Prepared by H. P. Holman, V. A. Pease, K. Smith [and others] under the direction of W. W. Skinner United States. Bureau of Chemistry and Soils Published: 1939 Total Pages: 590 Get eBook
Directory of Field Activities of the Bureau of Plant Industry Published: 1927 Total Pages: 860 Get eBook
