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1
Geology of the Aspen Mining District, Colorado Geology of the Aspen Mining District, Colorado /
Published 1898“…Monographs of the United States Geological Survey …”
Book -
2
The Mesabi iron-bearing district of Minnesota The Mesabi iron-bearing district of Minnesota /
Published 1903“…Monographs of the United States Geological Survey …”
Book -
3
The Vermilion iron-bearing district of Minnesota with an atlas The Vermilion iron-bearing district of Minnesota with an atlas /
Published 1903“…Monographs of the United States Geological Survey …”
Book -
4
The Menominee iron-bearing district of Michigan The Menominee iron-bearing district of Michigan /
Published 1904“…Monographs of the United States Geological Survey …”
Book -
5
The Crystal Falls Iron-bearing district of Michigan The Crystal Falls Iron-bearing district of Michigan /
Published 1899“…Monographs of the United States Geological Survey …”
Book -
6
Atlas to accompany Monograph XXXI on the Geology of the Aspen District, Colorado Atlas to accompany Monograph XXXI on the Geology of the Aspen District, Colorado /
Published 1898“…Monographs of the United States Geological Survey …”
Book