Investigation of Illinois soils
By: by Cyril G. Hopkins
Series: Circular / University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station -- no. 64; Circular (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 64
Publisher: University of Illinois Agricultural Experiment Station
Published: 1903
Place of publication: Urbana, Ill
Language: eng
Number of pages: 26
Subjects: Soils
Notes: Caption title.