Soil Survey of Lebanon County, Pennsylvania Donald B. Holzer Published: 1981 Total Pages: 230 Get eBook
Soil Survey, Dauphin County, Pennsylvania W. Merrill Kunkle Published: 1972 Total Pages: 282 Get eBook
Soil Survey. Lancaster County, Pennsylvania John Breniser Carey Published: 1959 Total Pages: 170 Get eBook
Soil Survey of Schuylkill County, Pennsylvania Frank A. Kopas Published: 1982 Total Pages: 214 Get eBook
A Reconnoissance Soil Survey of Pennsylvania United States. Bureau of Soils Published: 1910 Total Pages: 394 Get eBook
