The Iron Ores of Minnesota: Their Geology, Discovery, Development, Qualities, and Origin, and Comparison With Those of Other Iron Districts (Hardcover)
The Iron Ores of Minnesota: Their Geology, Discovery, Development, Qualities, and Origin, and Comparison with Those of Other Iron Districts (Hardcover)
The Iron Ores of Minnesota: Their Geology, Discovery, Development, Qualities, and Origin, and Comparison with Those of Other Iron Districts (Paperback)
The Iron Ores of Minnesota: Their Geology, Discovery, Development, Qualities, and Origin, and Comparison With Those of Other Iron Districts (Paperback)
The Iron Ores of Minnesota: Their Geology, Discovery, Development, Qualities, and Origin, and Comparison with Those of Other Iron Districts (Hardcover)
