Letter from the Secretary of the Interior transmitting pursuant to law, the second report, July 1 to December 31, 1947, inclusive, on conditions in bituminous coal and lignite mines.

Bibliographic Details

Corporate Authors:	United States. Congress. Senate. Committee on Labor and Public Welfare, ProQuest (Firm)
Format:	eBook
Language:	English
Published:	Washington : [publisher not identified], 1948.
Series:	United States congressional serial set.
Subjects:	Coal mines and mining. Mines and mineral resources. Mineral industries. Electronic books.
Online Access:	Connect to the full text of this electronic book