Conditions in the coal mines of Colorado.
Subtitle: Hearings before a subcommittee of the Committee on mines and mining ... pursuant to H. res. 387, a resolution authorizing and directing the Committee ... to make an investigation.
Publisher: Govt. print. off.
Published: 1914
Place of publication: Washington
Language: eng
Subjects: Coal Miners' Strike, Colorado, 1913-1914
Notes: Martin D. Foster, chairman.
Hearings of Feb. 9-April 23, 1914.
Paged continuously; vol. I: iv, 5-1477 p.; vol. II: v, 1479-2940 p.