A chemical investigation of the cause of hardpan formation in southern Maryland soils
By: by George Francis Madigan ...
Published: 1938
Place of publication: [College Park, Md.]
Language: eng
Number of pages: 81
Subjects: Soils -- Maryland.; Soils -- Analysis.
Notes: "Literature cited": leaves 76-78.
Thesis (Ph. D.)--University of Maryland, 1938.
Type-written (carbon copy)