A statistical study of lead and zinc mining in Wisconsin
By: by Selma Langenhan Schubring.
Published: 1926
Place of publication: [Madison]
Language: eng
Number of pages: 98
Subjects: Lead mines and mining -- Wisconsin.; Zinc mines and mining -- Wisconsin.
Notes: Bibliography: p. 83-95.
Thesis (Ph. D.)--University of Wisconsin, 1920.
Cover title.
"Reprinted from the Transactions of the Wisconsin academy of sciences, arts, and letters, vol. XXII."