Principal soils of Iowa
By: [by] Dept. of Agronomy. [Prepared by] W. R. Oschwald [and others]
Contributors: Oschwald, W. R.
Series: Special report no. 42
Publisher: Iowa State University of Science and Technology, Cooperative Extension Service
Published: 1965
Place of publication: Ames
Language: eng
Number of pages: 76
Subjects: Soils -- Iowa.
Notes: Cover title.