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Author

John W Schafer

3 books found

Cover of SOILS

Soils

John W. Schafer · First published 2001

Cover of Right Rhythmic Living

Right Rhythmic Living

Claire Etheridge, John Watkins, Donald W., M.D. Schafer, Marion Gordon · First published 2000

Cover of A guided independent study of soil science

A guided independent study of soil science

John W Schafer · First published 1980