Wyoming mining
Subtitle: subbituminous coal : a manpower survey.
Contributors: O'Gara, Richard T.; Wolff, A. J.
Publisher: Wyoming Dept. of Labor & Statistics]
Published: 1975
Place of publication: [Cheyenne
Language: eng
Number of pages: 29
Subjects: Coal-mines and mining -- Wyoming.; Manpower policy -- Wyoming.
Notes: Authors: R. T. O'Gara and A. J. Wolff.
Chiefly tables.