TY - BOOK ED - United States Department of Agriculture and Soil Survey Division. TI - Soil survey manual U1 - R 631.47 21st ed. PY - 1995/// CY - Jodhpur PB - Scientific Publishers KW - Soil mapping-Handbooks, manuals KW - Soil survey-Handbooks KW - Soil testing-Handbooks, N1 - Index: pp 411-37 ER -