Soil Survey of Howard County, Arkansas United States. Bureau of Soils Published: 1919 Total Pages: 70 Get eBook
Monthly Catalog of United States Government Publications, Cumulative Index United States. Superintendent of Documents Published: 1976 Total Pages: 1466 Get eBook
Soil Survey: Howard County, Texas United States. Soil Conservation Service Published: 1969 Total Pages: 88 Get eBook
Soil Survey of Hempstead County, Arkansas United States. Bureau of Soils Published: 1917 Total Pages: 74 Get eBook
Field Operations of the Division of Soils United States. Bureau of Soils Published: 1917 Total Pages: 2760 Get eBook
