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- 49045868 contributor B1168627.
- 49045868 created "1949.".
- 49045868 date "1949".
- 49045868 date "1949.".
- 49045868 dateCopyrighted "1949.".
- 49045868 extent "v, 301 p. ;".
- 49045868 hasFormat "Available also in microform in CIS US congressional committee hearings, accession number (81)S908-1.".
- 49045868 isFormatOf "Available also in microform in CIS US congressional committee hearings, accession number (81)S908-1.".
- 49045868 issued "1949".
- 49045868 issued "1949.".
- 49045868 language "eng".
- 49045868 publisher "Washington : U.S. Govt. Print. Off.,".
- 49045868 relation "Available also in microform in CIS US congressional committee hearings, accession number (81)S908-1.".
- 49045868 subject "622.8".
- 49045868 subject "Coal mines and mining Safety measures.".
- 49045868 subject "KF26 .L3 1949a".
- 49045868 title "Mine safety : hearings before a subcommittee of the Committee on Labor and Public Welfare, United States Senate, Eighty-first Congress, first session, on S. 1031, a bill amending Public Law 49, Seventy-seventh Congress, providing for the welfare of coal miners, and for other purposes. May 18, 19, 24, 25, 26, 27, and 31, 1949.".
- 49045868 type "text".