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- REFERENCES.
- REFERENCES. 2.
- 2
- 3
- INTRODUCTION. 2.
- INTRODUCTION
- INTRODUCTION. 3.
- The Upper Peninsula of Michigan. An inventory of historic engineering and industrial sites.
- INTRODUCTION TO EXTRACTIVE INDUSTRIES. 4.
- INTRODUCTION TO EXTRACTIVE INDUSTRIES.
- Upper Peninsula of Michigan maps.
- INTRODUCTION TO EXTRACTIVE INDUSTRIES. 2.
- ILLUSTRATIONS. 4.
- INTRODUCTION TO EXTRACTIVE INDUSTRIES. 3.