Mining and milling of lead and zinc ores in the Wisconsin district Wisconsin
By: by Clarence A. Wright.
Edition: 1st ed.
Series: Technical paper / United States. Bureau of Mines ;; 95
Publisher: Government Printing Office
Published: 1915
Place of publication: Washington
Language: eng
Number of pages: 39
Subjects: Lead mines and mining -- Wisconsin.; Lead mines and mining -- Illinois.; Lead mines and mining -- Iowa.; Zinc mines and mining -- Wisconsin.; Zinc mines and mining -- Illinois.; Zinc mines and mining -- Iowa.
Notes: Bibliography: p. 39.