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donald b holzer
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Soil survey of Lebanon County, Pennsylvania
Donald B. Holzer · U.S. Dept. of Agriculture, Soil Conservation Service
155 sayfa · 1981
Maps / Soil surveys / Soils / Sols / Cartes
Lackawanna County, Pennsylvania
Donald B. Holzer, Edward H. Sautter, Samuel A. Browning, Lackawanna County Planning Commission, United States. Soil Conservation Service, Pennsylvania State University. College of Agriculture, Pennsylvania. State Soil and Water Conservation Commission · United States Department of Agriculture, Soil Conservation Service
137 sayfa · 1971
Soils / Soil surveys