Technical Bulletins 9 volumes related to Soil and Erosion

Washington, D. C.: USDA. Very Good. 1937. First Edition. Softcover. Brief library marks and ink on the wrappers, MD Natural History Society blindstamps, light rubbing and toning, a few small scant tears. ; Includes: Soil Erosion and Stream Flow on Range and Forest Lands of the Upper Rio Grande Watershed in Relation to Land Resources and Human Welfare (Charles K. Cooperrider and Barnard A. Hendricks, Bulletin 567, May 1937); Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics, Third Report (HOrace G. Byers, John T. Miller, K.T. Williams, H. W. Lakin, Bulletin 601, May 1938); Boron Distribution in Soils and Related Data (Bulletin 797, January 1942, lacks wrapper); Relationship of Insects to the Spread of Azalea Flower Spot (Floyd F. Smith and Freeman Weiss, Bulletin 798, January 1942); Soluble Material of Soils in Relation to Their Classification and General Fertility (M. S. Anderson, Mary G. Keyes, George W. Comer, Bulletin 813, June 1942); Measurement of Evaporation from Land and Water Surfaces (C. W. Thornthwaite and Benjamin Holzman, Bulletin 817, May 1942); Chemical and Physical Properties of Some of the Important Alluvial Soils of the Mississppi Drainage Basin (R. S. Holmes, W. E. Hearn, Bulletin 833, October 1942); Morphology and Composition of Some Soils of the Miami Family and the Miami Catena (Irvin C. Brown and James Thorp, Bulletin 834, September 1942); and, Bibliography on Soil Erosion and Soil and Water Conservation (Stanley H. Gaines, Francesca Vincent, Marion Bloom, James F. Carter, USDA Miscellaneous Publication 312, October 1938, 651pp). International orders require extra shipping fee.; Ex-Library; 8vo 8" - 9" tall .