Coal.
Subtitle: Hearings before the Special Subcommittee on Coal Research, on the establishment of a research and development program for the coal industry.
Series: Its [Hearings before] the Committee on Interior and Insular Affairs, House of Representative, Eighty-fifth Congress,; serial no. 3
Publisher: U.S. Govt. Print. Off.
Published: 1957
Place of publication: Washington
Language: eng
Number of pages: 579
Subjects: Coal -- Research; Coal mines and mining -- United States