Report of mining engineers appointed to investigate the practicability and cost (assuming the maintenance of existing rates of pay) of applying to bituminous coal mining a shorter work day and work week
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Publication
1934 - , Washington?], District of Columbia
Language
English
Word Count
0 words, Guess
Page Count
0 pages
Identifiers
- OCLC Control Number23108230
- Open LibraryOL52415577M
Subjects
Places
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