The iron ores of Lake Superior
Subtitle: containing some facts of interest relating to mining and shipping of the ore and location of principal mines.
Edition: 3d ed.  With original maps of the ranges, by Crowell & Murray.
Publisher: The Penton press company
Published: 1917
Place of publication: Cleveland
Language: eng
Number of pages: 331
Subjects: Iron ores -- Superior, Lake.; Iron mines and mining -- Superior, Lake.
Notes: p. [323]-331, advertising matter.