TY - BOOK AU - Grout,Frank F. TI - The geology and magnetite deposits of northern St. Louis County, Minnesota T2 - Bulletin / the University of Minnesota, Minnesota Geological Survey AV - QE127 .A22 no. 21 PY - 1926/// CY - Minneapolis PB - University of Minnesota KW - Geology KW - Minnesota KW - Saint Louis County KW - Magnetite KW - Iron ores N1 - Includes bibliographical references ER -