Biodiversity Heritage Library
By "Purssell, Ulysses G. "
Surface formations and agricultural conditions of the south half of Minnesota,
By: Leverett, Frank, - Purssell, Ulysses G. - Sardeson, Frederick W. - Geological Survey (U.S.) - University of Minnesota.
Publication info: Minneapolis,The University of Minnesota,1919.
Holding Institution: Library of Congress
BHL Collections: Library of Congress