Emerson, Paul.
Soil Characterilstics; A Field And Laboratory Guide / Textual Documents Paul Emerson. - 1st ed, / . - New York : Mcgraw- Hill Book Company , 1925. - 454p ; .
Soil Conservation Soils
631.4 / EME
Soil Characterilstics; A Field And Laboratory Guide / Textual Documents Paul Emerson. - 1st ed, / . - New York : Mcgraw- Hill Book Company , 1925. - 454p ; .
Soil Conservation Soils
631.4 / EME