Surface formations and agricultural conditions of northwestern Minnesota
By: by Frank Leverett, with a chapter on Climatic conditions of Minnesota, by U.G. Purssell.
Contributors: Purssell, Ulysses G.; Geological Survey (U.S.); University of Minnesota.
Series: Minnesota. Geological survey. Bulletin no. 12
Publisher: The University of Minnesota
Published: 1915
Place of publication: Minneapolis
Language: eng
Number of pages: 78
Subjects: Agriculture -- Minnesota.; Soils -- Minnesota.; Geology -- Minnesota.; Minnesota -- Climate.
Notes: At head of title: The University of Minnesota.

In coo□peration with the United States Geological survey.