Soil taxonomy :
Soil taxonomy : a basic system of soil classification for making and interpreting soil surveys.
- Soil conservation serive U. S. Department of Agriculture, 1975.
- 754 p. : plates ; 29 cm.
Includes index.
Open access.
Soils--Taxonomy.
Soil--Classification.
Includes index.
Open access.
Soils--Taxonomy.
Soil--Classification.