Variations of the colloidal material extracted from the soils of the miami, chester and cecil series
Holmes, R.S., Edgington, Glen
Variations of the colloidal material extracted from the soils of the miami, chester and cecil series - Washington 1930 - 1-24 p. - Soils United States Department of Agriculture. Technical Bulletin No. 229 .
Variations of the colloidal material extracted from the soils of the miami, chester and cecil series - Washington 1930 - 1-24 p. - Soils United States Department of Agriculture. Technical Bulletin No. 229 .