| Author | American Continuous Retort Co.
|
| Title | The American continuous retort, a revolutionizing invention for the mining and oil shale industries.
|
| Published | Denver [the Company? 1921]
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| Description | [12] p.
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| Subjects | Mining equipment -- Catalogs.
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| Call Number/Copies | |
| | WRHS Research Library: P 18,238
mq191165: Local class, closed stacks [status: NON-CIRCULATING] |
| [Record 122662] |
|