RAGG, J.M.  and  CLAYDEN, B.
RAGG, J.M. and CLAYDEN, B. Soil Survey. Technical Monograph No.3. The Classification of some British Soils According to the Comprehensive System of the United States.  Harpenden. Soil Survey. 1973.  
(210 x 148). pp, (viii), 227, (1). Maps and tables. Contents very clean. Softbound. Light browning to spine. Very good.
Stock ref: 537
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Soil Survey