TY - BOOK ED - United States. Soil conservation service TI - Soil taxonomy; a basic system of soil clasification for making and interpreting soil suveys soil survey staff U1 - 631.44 PY - 1975/// CY - U.S.A. PB - El Departamento KW - Suelos KW - Clasificación KW - suelos KW - Taxonomía N1 - BIBLIOTECA: UACH-FACIATEC ER -