01077cam a22002651 4500 agr40000271 DLC 20260227110958.0 950816s1940 dcua 000 0 eng agr40000271 (OCoLC)34642798 DLC NNC OCoLC DLC S623 .U44 no. 12 Webb, David Thomas, 1908- Erosion and related land use conditions on the Hell and Mud creeks demonstration project, Mississippi. By D. T. Webb ... Hell and Mud creeks demonstration project, Mississippi Washington [U.S. Govt. print. off.] 1940. 1 p. l., 25 p. illus., 10 maps (9 fold. in pocket) diagr. 26 cm. U. S. Soil conservation service. Erosion survey no. 12 Issued by U. S. Dept of agriculture. Soil conservation service. Field survey by D. T. Webb, N. I. Brown, R. M. Fisher, jr., and C. D. Melton. Land use Mississippi. Soil conservation Mississippi. Erosion survey no. 12 10030 10030