Soil Survey Laboratory Data and Descriptions for Some Soils of Puerto Rico and the Virgin Islands United States. Soil Conservation Service Published: 1967 Total Pages: 210 Get eBook
Soil Survey Laboratory Data and Descriptions for Some Soils of Puerto Rico and the Virgin Islands Published: 1967 Total Pages: 206 Get eBook
Soil Survey Manual United States. Bureau of Plant Industry, Soils, and Agricultural Engineering Published: 1951 Total Pages: 538 Get eBook
Soil Survey of Arecibo Area of Northern Puerto Rico Gilberto Acevido Published: 1982 Total Pages: 240 Get eBook