Biodiversity Heritage Library
By "United States. Soils bureau. "
Soil survey field book. Field season, 1906.
By: United States. Soils bureau. - United States. Bureau of Soils. - United States. Dept. of Agriculture. Bureau of Soils.
Publication info: Washington,Govt. print. off.,1906
Holding Institution: Library of Congress
BHL Collections: Library of Congress