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About this nonfiction
Electric blasting switches, underground mines, Lake Superior district by Petersen, Max S. is a nonfiction available to read on EtoBox.
It is typically read by self-directed learners exploring a subject in depth.
Common subject areas: history, science, philosophy, social sciences.
- Author
- Petersen, Max S.
- Publisher
- U.S. Dept. of the Interior, Bureau of Mines, 1946.
- Published
- 1946
- Language
- EN
- Category
- nonfiction
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