Silicified cells of grasses
Subtitle: a major source of plant opal in Illinois soils
By: by O.T. Bonnett.
Series: Bulletin (University of Illinois at Urbana-Champaign. Agricultural Experiment Station) -- 742
Publisher: Agriculture Experiment Station, Univ. of Illinois
Published: 1972
Place of publication: Urbana-Champaign
Language: eng
Number of pages: 32
Subjects: Illinois -- Soils.