Instructions to field parties and descriptions of soil types.
Field season, 1903.

APA Citation

United States. Bureau of Soils. (1903). Instructions to field parties and descriptions of soil types: Field season, 1903. [Washington: Govt. Print. Off..

MLA Citation

United States. Bureau of Soils. Instructions to Field Parties And Descriptions of Soil Types: Field Season, 1903. [Washington: Govt. Print. Off., 1903.

Warning: These citations may not always be complete (especially for serials).