Soil Survey of Howard County, Arkansas United States. Bureau of Soils Published: 1919 Total Pages: 70 Get eBook
Soil Survey of Howard County, Arkansas United States. Bureau of Soils Published: 1923 Total Pages: 44 Get eBook
Soil Survey of Desha County, Arkansas United States. Soil Conservation Service Published: 1972 Total Pages: 154 Get eBook
Soil Survey, Howard County, Ark., [with List of Literature Cited] Published: 1975 Total Pages: 75 Get eBook
Soil Survey of Lonoke County, Arkansas United States. Bureau of Soils Published: 1925 Total Pages: 74 Get eBook