National bituminous coal wage agreement of 1950 as amended September 29, 1952, effective October 1, 1952
By: United Mine Workers of America [and] Bituminous Operators
Series: Pamphlets in American history -- L 665
Publisher: publisher not identified
Published: 1979
Place of publication: Washington?]
Language: eng
Subjects: Collective labor agreements; Coal mining industry
Notes: Caption title.

Microfiche. Sanford, N.C. : Microfilming Corp. of America, 1979. 1 sheet ; 11 x 15 cm. (Pamphlets in American history : Labor ; L 665)