Coal mining safety
Subtitle: national solutions in the progressive period
By: by William Sievers Graebner.
Published: 1970
Language: eng
Format: Microform
Number of pages: 321
Subjects: Coal mines and mining -- United States -- Safety measures -- History.
Notes: Vita.

Thesis (Ph. D.)--University of Illinois, 1970.

Bibliography: leaves 295-320.

Microfilm. Ann Arbor, Mich. : University Microfilms, 1971. 1 microfilm reel ; 35 mm.