A study of the arsenic content of Pennsylvania tobacco and tobacco soils
By: a thesis by Lewis Wallace Ilgen
Series: USAIN state and local literature preservation project; Pennsylvania agricultural literature on microfilm
Published: 1937
Language: eng
Format: [microform] /
Number of pages: 28
Subjects: Soils; Tobacco; Arsenic content
Notes: Thesis (M.S.)--Pennsylvania State College.

Bibliography: leaves 25-28.

Microfilm. University Park, Pa. : Pennsylvania State University, 1997. 1 microfilm reel ; 35 mm. (USAIN state and local literature preservation project. Pennsylvania) (Pennsylvania agricultural literature on microfilm).

Archival master stored at National Agricultural Library, Beltsville, MD : print master stored at remote facility.