Subject | • | Coal mines and mining -- Safety measures | [X] | | • | Coal mines and mining -- United States | [X] |
| | Book | Save | | 1 | Title: | Testimony of John L. Lewis before the House of Representatives subcommittee on miners' welfare of the Committee on Education and Labor, April 3, 1947 and subcommittee of the Senate Committee on Public Lands to investigate the Centralia mine explosion, April 17, 1947
| | | | Creator: | United States Congress. House. Committee on Education and Labor. | | | | | Lewis, John Llewellyn, 1880-1969 | | | | | United States Congress. Senate. Committee on Public Lands. | | | | Publication: | Labor's Non-Partisan League, Washington,[1947] | | | | Call #: | TN311 U58 | | | | Extent: | 128 p. plates. 23 cm. | | | | Subjects: | Coal mines and mining -- Safety measures | Coal mines and mining -- United States
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