Soil classification
By: by Mark Baldwin, Charles E. Kellogg and James Thorp.
Contributors: Kellogg, Charles E.; Thorp, James.
Series: The Bobbs-Merrill reprint series in geography -- G-10
Publisher: Bobbs-Merrill
Published: 1938
Place of publication: [Indianapolis, Ind.]
Language: eng
Notes: Reprinted from Yearbook of Agriculture, no.1663, 1938.