Preliminary color standards and color names for soils /
by T.D. Rice ... [et al.].
- Washington, D.C. : U.S. Dept. of Agriculture, 1941.
- 12 p. : ill. ; 23 cm.
- Miscellaneous publication / United States Department of Agriculture ; no. 425 .
- Miscellaneous publication (United States. Department of Agriculture) ; no. 425. .
Caption title. Joint contribution from Bureau of Plant Industry, Agricultural Marketing Service and Soil Conservation Service. "Soil color name charts" (1 p. l., 8 leaves of mounted color samples) in pocket.