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| Materialtyp: | Bok |
|---|---|
| Språk: | engelska |
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| era | |
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| format | Book |
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| id | daf4591c-e555-407d-83d0-dfb4b1b4e5c4 |
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| language | eng |
| physical | 1 volume (various pagings) :illustrations ;27 cm. |
| publication | – publisher: US Dept of Labor Mine Safety and Health Administration National Mine Health and Safety Academy dateOfPublication: 2007 |
| publishDate | 2007 |
| subjects | |
| title | Introduction to underground coal mining : a programmed text. |
| topic | Coal mines and mining Mine safety Coal mines and mining Mine safety United States Programmed Instruction programmed textbooks. Programmed instructional materials Programmed instructional materials. |