Letter of the Secretary of the Treasury, communicating a report of a geological reconnoissance of the Chippewa Land District of Wisconsin, and the northern part of Iowa
By: by David Dale Owen.
Contributors: United States. General Land Office.
Series: Senate executive, 30th Congress, lst session ;; no. 57; Senate executive document (United States. Congress. Senate) ;; 30th Congress, lst session, no. 57.
Publisher: s.n.
Published: 1848
Place of publication: [Washington, D.C
Language: eng
Number of pages: 134
Subjects: Geology -- Wisconsin.; Geology -- Iowa.