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|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
S O Perkins; M W Senstius; A L Patrick; Fred G Merkle; United States. Department of Agriculture.; Pennsylvania State College.; Pennsylvania. Bureau of Topographic and Geologic Survey.
|Notes:||At head of title: U.S. Department of Agriculture, Bureau of Soils, in cooperation with the Pennsylvania State College, School of Agriculture and Experiment Station, and the Pennsylvania Department of Internal Affairs, Bureau of Topographic and Geological Survey.|
|Description:||1251-1278 pages : illustrations, maps [1 folded color] ; 23 cm|
|Series Title:||Advance sheets--field operations of the Bureau of Soils, 1921.|
|Responsibility:||by S.O. Perkins, M.W. Senstius, A.L. Patrick and Fred G. Merkle.|