01256cam a22003011 4500 agr68000043 DLC 20260227111028.0 710901s1967 dcua b 000 0 eng c agr68000043 U.S. Nat'l Agr. Libr. DLC DLC np----- A279.9Ag8 no. 11 631.4/9/764 Eck, Harold V., 1924- Productivities of horizons of seven benchmark soils of the southern Great Plains [by Harold V. Eck, Robert H. Ford, and Carl D. Fanning. Washington] Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967] 46 p. illus. 23 cm. United States. Dept. of Agriculture. Conservation research report no. 11 Prepared in cooperation with Texas Agricultural Experiment Station. Bibliography: p. 35-36. Soils Great Plains. Soils Analysis. Ford, Robert H., joint author. Fanning, Carl D., joint author. Texas Agricultural Experiment Station. United States. Department of Agriculture. Conservation research report no. 11. 12357 12357