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| First Page | Document Content | |
|---|---|---|
 Date: 2007-12-28 13:41:58Iron Open-pit mining Surface mining Hibbing Minnesota Rust Geology of Minnesota Hull–Rust–Mahoning Open Pit Iron Mine Geography of Minnesota Minnesota Bob Dylan |
| First Page | Document Content | |
|---|---|---|
Date: 2007-12-28 13:41:58Iron Open-pit mining Surface mining Hibbing Minnesota Rust Geology of Minnesota Hull–Rust–Mahoning Open Pit Iron Mine Geography of Minnesota Minnesota Bob Dylan |
