Agstone used in Illinois in 1946
By: by Walter H. Voskuil, Douglas F. Stevens, and Ethel M. King
Contributors: Stevens, Douglas F., joint author; King, Ethel M., joint author
Series: Illinois State Geological Survey. Circular -- 132; Circular (Illinois State Geological Survey) -- 132.
Published: 1947
Place of publication: Urbana
Language: eng
Subjects: Agstone; Fertilizers